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2024 · 5 Apr · Shift 1

90 questions · JEE Main

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2024 · 5 Apr · Shift 1

2024 · 5 Apr · Shift 1

90 questions · JEE Main

Chemistry30 questions Mathematics30 questions Physics30 questions

Basics of Organic ChemistryChemistry · 1 questions Alcohols Phenols and EthersChemistry · 3 questions Structure of AtomChemistry · 2 questions HydrocarbonsChemistry · 1 questions BiomoleculesChemistry · 1 questions ThermodynamicsChemistry · 2 questions Periodic Table and PeriodicityChemistry · 2 questions D and F Block ElementsChemistry · 2 questions Chemical Bonding and Molecular StructureChemistry · 2 questions Some Basic Concepts of ChemistryChemistry · 1 questions Coordination CompoundsChemistry · 3 questions P Block ElementsChemistry · 1 questions ElectrochemistryChemistry · 2 questions Aldehydes Ketones and Carboxylic AcidsChemistry · 1 questions Chemical EquilibriumChemistry · 1 questions Compounds Containing NitrogenChemistry · 2 questions Haloalkanes and HaloarenesChemistry · 1 questions SolutionsChemistry · 1 questions Chemical Kinetics and Nuclear ChemistryChemistry · 1 questions Application of DerivativesMathematics · 3 questions FunctionsMathematics · 2 questions Straight Lines and Pair of Straight LinesMathematics · 1 questions 3D GeometryMathematics · 2 questions Complex NumbersMathematics · 1 questions Matrices and DeterminantsMathematics · 2 questions CircleMathematics · 1 questions ProbabilityMathematics · 2 questions Definite IntegrationMathematics · 2 questions Sequences and SeriesMathematics · 2 questions Limits Continuity and DifferentiabilityMathematics · 2 questions EllipseMathematics · 1 questions Trigonometric Ratio and IdentitesMathematics · 1 questions Vector AlgebraMathematics · 2 questions Differential EquationsMathematics · 1 questions Area Under the CurvesMathematics · 1 questions ParabolaMathematics · 1 questions Permutations and CombinationsMathematics · 1 questions Binomial TheoremMathematics · 1 questions Quadratic Equation and InequalitiesMathematics · 1 questions Work Power and EnergyPhysics · 1 questions GravitationPhysics · 2 questions Alternating CurrentPhysics · 2 questions Rotational MotionPhysics · 1 questions ElectrostaticsPhysics · 1 questions Simple Harmonic MotionPhysics · 1 questions Heat and ThermodynamicsPhysics · 2 questions Current ElectricityPhysics · 2 questions Electromagnetic InductionPhysics · 1 questions Dual Nature of RadiationPhysics · 1 questions Electronic DevicesPhysics · 1 questions Properties of MatterPhysics · 2 questions Wave OpticsPhysics · 2 questions Atoms and NucleiPhysics · 2 questions Units and MeasurementsPhysics · 1 questions Vector AlgebraPhysics · 1 questions MagneticsPhysics · 2 questions Laws of MotionPhysics · 2 questions CapacitorPhysics · 2 questions Motion in A Straight LinePhysics · 1 questions

Q1.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Cis form of alkene is found to be more polar than the trans form. Reason (R) : Dipole moment of trans isomer of…
Chemistry · Basics of Organic Chemistry · MCQ
Q2.Given below are two statement : Statements I : Bromination of phenol in solvent with low polarity such as $CHCl_{3}$ or $CS_{2}$ requires Lewis acid catalyst. Statements II : The Lewis acid catalyst polarises the bromine to…
Chemistry · Alcohols Phenols and Ethers · MCQ
Q3.The incorrect postulates of the Dalton's atomic theory are : (A) Atoms of different elements differ in mass. (B) Matter consists of divisible atoms. (C) Compounds are formed when atoms of different element combine in a fixed ratio. (D) All…
Chemistry · Structure of Atom · MCQ
Q4.Given below are two statements : Statement I : Nitration of benzene involves the following step - Statement II : Use of Lewis base promotes the electrophilic substitution of benzene. In the light of the above statements, choose the most… Includes diagram
Chemistry · Hydrocarbons · MCQ
Q5.Which of the following gives a positive test with ninhydrin ?
Chemistry · Biomolecules · MCQ
Q6.Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : Enthalpy of neutralisation of strong monobasic acid with strong monoacidic base is always $- 57 kJ mol^{- 1}$ …
Chemistry · Thermodynamics · MCQ
Q7.Given below are two statements: Statement I: In group 13, the stability of +1 oxidation state increases down the group. Statement II : The atomic size of gallium is greater than that of aluminium. In the light of the above statements,…
Chemistry · Periodic Table and Periodicity · MCQ
Q8.The metal that shows highest and maximum number of oxidation state is :
Chemistry · D and F Block Elements · MCQ
Q9.Number of $σ$ and $π$ bonds present in ethylene molecule is respectively :
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q10.An organic compound has $42.1%$ carbon, $6.4%$ hydrogen and remainder is oxygen. If its molecular weight is 342 , then its molecular formula is :
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q11.For the Compounds : (A) $H_{3} C - CH_{2} - O - CH_{2} - CH_{2} - CH_{3}$ (B) $H_{3} C - CH_{2} - CH_{2} - CH_{2} - CH_{3}$ (C) (D) The increasing order of… Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q12.The correct order of ligands arranged in increasing field strength.
Chemistry · Coordination Compounds · MCQ
Q13.The number of neutrons present in the more abundant isotope of boron is ' $x$ '. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is ' $y$ '. The value of $x + y$ is .
Chemistry · P Block Elements · MCQ
Q14.Which one of the following complexes will exhibit the least paramagnetic behaviour ? [Atomic number, $Cr = 24, Mn = 25, Fe = 26, Co = 27$ ]
Chemistry · Coordination Compounds · MCQ
Q15.Molar ionic conductivities of divalent cation and anion are $57 S cm^{2} mol^{- 1}$ and $73 S cm^{2} mol^{- 1}$ respectively. The molar conductivity of solution of an electrolyte with the above cation and…
Chemistry · Electrochemistry · MCQ
Q16.Identify 'A' in the following reaction : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q17.The statement(s) that are correct about the species $O^{2 -}, F^{-}, Na^{+}$ and $Mg^{2 +}$ . (A) All are isoelectronic (B) All have the same nuclear charge (C) $O^{2 -}$ has the largest ionic radii…
Chemistry · Periodic Table and Periodicity · MCQ
Q18.The reaction at cathode in the cells commonly used in clocks involves.
Chemistry · Electrochemistry · MCQ
Q19.The following reaction occurs in the Blast furnance where iron ore is reduced to iron metal $Fe_{2} O_{3 (s)} + 3 CO_{(g)} ⇌ Fe_{(l)} + 3 CO_{2 (g)}$ Using the Le-chatelier's…
Chemistry · Chemical Equilibrium · MCQ
Q20.Identify compound (Z) in the following reaction sequence. Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q21.The spin-only magnetic moment value of the ion among $Ti^{2 +}, V^{2 +}, Co^{3 +}$ and $Cr^{2 +}$ , that acts as strong oxidising agent in aqueous solution is BM (Near integer).…
Chemistry · Coordination Compounds · Numerical
Q22.The heat of combustion of solid benzoic acid at constant volume is $- 321.30 kJ$ at $2 7^{\circ} C$ . The heat of combustion at constant pressure is $(- 321.30 - x R) kJ$ , the value of $x$ is …
Chemistry · Thermodynamics · Numerical
Q23.In a borax bead test under hot condition, a metal salt (one from the given) is heated at point B of the flame, resulted in green colour salt bead. The spin-only magnetic moment value of the salt is BM (Nearest… Includes diagram
Chemistry · D and F Block Elements · Numerical
Q24.The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is Includes diagram
Chemistry · Haloalkanes and Haloarenes · Numerical
Q25.An artificial cell is made by encapsulating $0.05 M$ glucose solution within a semipermeable membrane. The osmotic pressure developed when the artificial cell is placed within a $NaCl$ solution of $NaCl$ at $300 K$ …
Chemistry · Solutions · Numerical
Q26.In the lewis dot structure for $NO_{2}^{-}$ , total number of valence electrons around nitrogen is .
Chemistry · Chemical Bonding and Molecular Structure · Numerical
Q27.The value of Rydberg constant $(R_{H})$ is $2.18 \times 1 0^{- 18} J$ . The velocity of electron having mass $9.1 \times 1 0^{- 31} kg$ in Bohr's first orbit of hydrogen atom = $\times 1 0^{5} ms^{- 1}$ …
Chemistry · Structure of Atom · Numerical
Q28. $P$ of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product ' $P$ '. The mass of product ' $P$ ' obtained is . The percentage yield is …
Chemistry · Compounds Containing Nitrogen · Numerical
Q29.Consider the given chemical reaction sequence : Total sum of oxygen atoms in Product A and Product B are . Includes diagram
Chemistry · Alcohols Phenols and Ethers · Numerical
Q30.During Kinetic study of reaction $2A + B \to C + D$ , the following results were obtained : Based on above data, overall order of the reaction is . Includes table
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q31.Let a rectangle ABCD of sides 2 and 4 be inscribed in another rectangle PQRS such that the vertices of the rectangle ABCD lie on the sides of the rectangle PQRS. Let a and b be the sides of the rectangle PQRS when its area is maximum. Then…
Mathematics · Application of Derivatives · MCQ
Q32.Let $A = {1, 3, 7, 9, 11}$ and $B = {2, 4, 5, 7, 8, 10, 12}$ . Then the total number of one-one maps $f : A \to B$ , such that $f (1) + f (3) = 14$ , is :
Mathematics · Functions · MCQ
Q33.Let two straight lines drawn from the origin $O$ intersect the line $3 x + 4 y = 12$ at the points $P$ and $Q$ such that $△ OPQ$ is an isosceles triangle and $∠ POQ = 9 0^{\circ}$ . If $l = OP^{2} + PQ^{2} + QO^{2}$ …
Mathematics · Straight Lines and Pair of Straight Lines · MCQ
Q34.If the line $\frac{2 - x}{3} = \frac{3 y - 2}{4 λ + 1} = 4 - z$ makes a right angle with the line $\frac{x + 3}{3 μ} = \frac{1 - 2 y}{6} = \frac{5 - z}{7}$ , then $4 λ + 9 μ$ is equal to :
Mathematics · 3D Geometry · MCQ
Q35.Consider the following two statements : Statement I: For any two non-zero complex numbers $z_{1}, z_{2}, (∣ z_{1} ∣ + ∣ z_{2} ∣) \frac{z _{1}}{∣ z _{1} ∣} + \frac{z _{2}}{∣ z _{2} ∣} \leq 2 (∣ z_{1} ∣ + ∣ z_{2} ∣), and$ …
Mathematics · Complex Numbers · MCQ
Q36.Let A and B be two square matrices of order 3 such that $∣A∣ = 3$ and $∣B∣ = 2$ . Then $∣ A^{T} A (adj (2 A))^{- 1} (adj (4 B)) (adj (AB))^{- 1} AA^{T} ∣$ …
Mathematics · Matrices and Determinants · MCQ
Q37.Let a circle C of radius 1 and closer to the origin be such that the lines passing through the point $(3, 2)$ and parallel to the coordinate axes touch it. Then the shortest distance of the circle C from the point $(5, 5)$ is :
Mathematics · Circle · MCQ
Q38.Let $f (x) = x^{5} + 2 x^{3} + 3 x + 1, x \in R$ , and $g (x)$ be a function such that $g (f (x)) = x$ for all $x \in R$ . Then $\frac{g ( 7 )}{g ^{'} ( 7 )}$ is equal to :
Mathematics · Application of Derivatives · MCQ
Q39.The coefficients $a, b, c$ in the quadratic equation $a x^{2} + b x + c = 0$ are chosen from the set ${1, 2, 3, 4, 5, 6, 7, 8}$ . The probability of this equation having repeated roots is :
Mathematics · Probability · MCQ
Q40.If the system of equations $11 x + y + λ z = - 5 2 x + 3 y + 5 z = 3 8 x - 19 y - 39 z = μ$ has infinitely many solutions, then $λ^{4} - μ$ is equal to :
Mathematics · Matrices and Determinants · MCQ
Q41.The integral $0 \int π /4 \frac{136 s i n x}{3 s i n x + 5 c o s x} d x$ is equal to :
Mathematics · Definite Integration · MCQ
Q42.If $\frac{1}{1 + 2} + \frac{1}{2 + 3} + \dots + \frac{1}{99 + 100} = m$ and $\frac{1}{1 \cdot 2} + \frac{1}{2 \cdot 3} + \dots + \frac{1}{99 \cdot 100} = n$ , then the point $(m, n)$ lies…
Mathematics · Sequences and Series · MCQ
Q43.Let $d$ be the distance of the point of intersection of the lines $\frac{x + 6}{3} = \frac{y}{2} = \frac{z + 1}{1}$ and $\frac{x - 7}{4} = \frac{y - 9}{3} = \frac{z - 4}{2}$ from the point $(7, 8, 9)$ . Then $d^{2} + 6$ is equal to :
Mathematics · 3D Geometry · MCQ
Q44.If the function $f (x) = \frac{s i n 3 x + α s i n x - β c o s 3 x}{x ^{3}}, x \in R$ , is continuous at $x = 0$ , then $f (0)$ is equal to :
Mathematics · Limits Continuity and Differentiability · MCQ
Q45.Let the line $2 x + 3 y - k = 0, k > 0$ , intersect the $x$ -axis and $y$ -axis at the points $A$ and $B$ , respectively. If the equation of the circle having the line segment $A B$ as a diameter is $x^{2} + y^{2} - 3 x - 2 y = 0$ …
Mathematics · Ellipse · MCQ
Q46.The value of $\int_{- π}^{π} \frac{2 y ( 1 + s i n y )}{1 + c o s ^{2} y} d y$ is :
Mathematics · Definite Integration · MCQ
Q47.Suppose $θ \in [0, \frac{π}{4}]$ is a solution of $4 cos θ - 3 sin θ = 1$ . Then $cos θ$ is equal to :
Mathematics · Trigonometric Ratio and Identites · MCQ
Q48.For the function $f (x) = sin x + 3 x - \frac{2}{π} (x^{2} + x), where x \in [0, \frac{π}{2}],$ consider the following two statements : (I) $f$ is increasing in $(0, \frac{π}{2})$ . (II) $f^{'}$ …
Mathematics · Application of Derivatives · MCQ
Q49.If $A (1, - 1, 2), B (5, 7, - 6), C (3, 4, - 10)$ and $D (- 1, - 4, - 2)$ are the vertices of a quadrilateral ABCD, then its area is :
Mathematics · Vector Algebra · MCQ
Q50.If $y = y (x)$ is the solution of the differential equation $\frac{d y}{d x} + 2 y = sin (2 x), y (0) = \frac{3}{4}$ , then $y (\frac{π}{8})$ is equal to :
Mathematics · Differential Equations · MCQ
Q51.The area of the region enclosed by the parabolas $y = x^{2} - 5 x$ and $y = 7 x - x^{2}$ is .
Mathematics · Area Under the Curves · Numerical
Q52.From a lot of 10 items, which include 3 defective items, a sample of 5 items is drawn at random. Let the random variable $X$ denote the number of defective items in the sample. If the variance of $X$ is $σ^{2}$ , then $96 σ^{2}$ is…
Mathematics · Probability · Numerical
Q53.Suppose $AB$ is a focal chord of the parabola $y^{2} = 12 x$ of length $l$ and slope $m < 3$ . If the distance of the chord $AB$ from the origin is $d$ , then $l d^{2}$ is equal to …
Mathematics · Parabola · Numerical
Q54.The number of ways of getting a sum 16 on throwing a dice four times is .
Mathematics · Permutations and Combinations · Numerical
Q55.Let $f$ be a differentiable function in the interval $(0, \infty)$ such that $f (1) = 1$ and $lim_{t \to x} \frac{t ^{2} f ( x ) - x ^{2} f ( t )}{t - x} = 1$ for each $x > 0$ . Then $2 f (2) + 3 f (3)$ is equal to .
Mathematics · Limits Continuity and Differentiability · Numerical
Q56.If $S = {a \in R : ∣2 a - 1∣ = 3 [a] + 2 {a}}$ , where $[t]$ denotes the greatest integer less than or equal to $t$ and ${t}$ represents the fractional part of $t$ , then $72 \sum_{a \in S} a$ is equal to .
Mathematics · Functions · Numerical
Q57.Let $a_{1}, a_{2}, a_{3}, \dots$ be in an arithmetic progression of positive terms. Let $A_{k} = a_{1}^{2} - a_{2}^{2} + a_{3}^{2} - a_{4}^{2} + \dots + a_{2 k - 1}^{2} - a_{2 k}^{2}$ . If $A_{3} = - 153, A_{5} = - 435$ and $a_{1}^{2} + a_{2}^{2} + a_{3}^{2} = 66$ …
Mathematics · Sequences and Series · Numerical
Q58.Let $a = \hat{i} - 3 \hat{j} + 7 \hat{k}, b = 2 \hat{i} - \hat{j} + \hat{k}$ and $c$ be a vector such that $(a + 2 b) \times c = 3 (c \times a)$ …
Mathematics · Vector Algebra · Numerical
Q59.If the constant term in the expansion of $(1 + 2 x - 3 x^{3}) (\frac{3}{2} x^{2} - \frac{1}{3 x})^{9}$ is $p$ , then $108 p$ is equal to .
Mathematics · Binomial Theorem · Numerical
Q60.The number of distinct real roots of the equation $∣ x ∣∣ x + 2∣ - 5∣ x + 1∣ - 1 = 0$ is .
Mathematics · Quadratic Equation and Inequalities · Numerical
Q61.A body of mass $20 m$ is lifted to a height of $20 m$ from the ground in the two different ways as shown in the figures. The ratio of work done against the gravity in both the respective cases, will be : Includes diagram
Physics · Work Power and Energy · MCQ
Q62.If $G$ be the gravitational constant and $u$ be the energy density then which of the following quantity have the dimensions as that of the $uG$ :
Physics · Gravitation · MCQ
Q63.An alternating voltage of amplitude $4 kHz$ and frequency $12 μ F$ is applied directly across the capacitor of $12 μ F$ . The maximum displacement current between the plates of the capacitor is nearly :
Physics · Alternating Current · MCQ
Q64.Ratio of radius of gyration of a hollow sphere to that of a solid cylinder of equal mass, for moment of Inertia about their diameter axis $A B$ as shown in figure is $8/ x$ . The value of $x$ is : Includes diagram
Physics · Rotational Motion · MCQ
Q65.In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of :
Physics · Electrostatics · MCQ
Q66.A simple pendulum doing small oscillations at a place $R$ height above earth surface has time period of $T_{1} = 4 s$ . $T_{2}$ would be it's time period if it is brought to a point which is at a height $2 R$ from…
Physics · Simple Harmonic Motion · MCQ
Q67.Match List I with List II : (Where $a =$ radius of planet orbit, $r =$ radius of planet, $M =$ mass of Sun, $m =$ mass of planet) Choose the correct answer from the options given below : Includes table
Physics · Gravitation · MCQ
Q68.The heat absorbed by a system in going through the given cyclic process is : Includes diagram
Physics · Heat and Thermodynamics · MCQ
Q69.In the given figure $R_{1} = 10Ω, R_{2} = 8Ω, R_{3} = 4Ω$ and $R_{4} = 8Ω$ . Battery is ideal with emf $12 V$ . Equivalent resistant of the circuit and current supplied by battery are… Includes diagram
Physics · Current Electricity · MCQ
Q70.Two conducting circular loops A and B are placed in the same plane with their centres coinciding as shown in figure. The mutual inductance between them is: Includes diagram
Physics · Electromagnetic Induction · MCQ
Q71.If the collision frequency of hydrogen molecules in a closed chamber at $2 7^{\circ} C$ is $Z$ , then the collision frequency of the same system at $12 7^{\circ} C$ is :
Physics · Heat and Thermodynamics · MCQ
Q72.Given below are two statements : Statement I : Figure shows the variation of stopping potential with frequency $(v)$ for the two photosensitive materials $M_{1}$ and $M_{2}$ . The slope gives value of $\frac{h}{e}$ , where $h$ is Planck's… Includes diagram
Physics · Dual Nature of Radiation · MCQ
Q73.Following gates section is connected in a complete suitable circuit. For which of the following combination, bulb will glow (ON) : Includes diagram
Physics · Electronic Devices · MCQ
Q74.Given below are two statements : Statement I : When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be $0^{\circ}$ . Statement II : The contact angle between a solid and a…
Physics · Properties of Matter · MCQ
Q75.Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is :
Physics · Wave Optics · MCQ
Q76.An electron rotates in a circle around a nucleus having positive charge $Ze$ . Correct relation between total energy (E) of electron to its potential energy (U) is :
Physics · Atoms and Nuclei · MCQ
Q77.Time periods of oscillation of the same simple pendulum measured using four different measuring clocks were recorded as $4.62 s, 4.632 s, 4.6 s$ and $4.64 s$ . The arithmetic mean of these readings…
Physics · Units and Measurements · MCQ
Q78.The angle between vector $Q$ and the resultant of $(2 Q + 2 P)$ and $(2 Q - 2 P)$ is :
Physics · Vector Algebra · MCQ
Q79.In a co-axial straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero :
Physics · Magnetics · MCQ
Q80.A wooden block of mass $25 kg$ rests on a soft horizontal floor. When an iron cylinder of mass $25 kg$ is placed on the top of the block, the floor yields and the block and the cylinder together go down with an…
Physics · Laws of Motion · MCQ
Q81.The electric field between the two parallel plates of a capacitor of $1.5 μ F$ capacitance drops to one third of its initial value in $6.6 μ s$ when the plates are connected by a thin wire. The resistance of this wire…
Physics · Capacitor · Numerical
Q82.If three helium nuclei combine to form a carbon nucleus then the energy released in this reaction is $\times 1 0^{- 2} MeV$ . (Given $1 u = 931 MeV / c^{2}$ , atomic mass of helium $= 4.002603 u$ …
Physics · Atoms and Nuclei · Numerical
Q83.Three blocks $M_{1}, M_{2}, M_{3}$ having masses $4 kg, 6 kg$ and $1, T_{1}$ respectively are hanging from a smooth pully using rope 1, 2 and 3 as shown in figure. The tension in the rope $1, T_{1}$ … Includes diagram
Physics · Laws of Motion · Numerical
Q84.Three capacitors of capacitances $25 μ F, 30 μ F$ and $45 μ F$ are connected in parallel to a supply of $100 V$ . Energy stored in the above combination is E. When these capacitors are connected in…
Physics · Capacitor · Numerical
Q85.In the experiment to determine the galvanometer resistance by half-deflection method, the plot of $1/ θ$ vs the resistance (R) of the resistance box is shown in the figure. The figure of merit of the galvanometer is … Includes diagram
Physics · Current Electricity · Numerical
Q86.The density and breaking stress of a wire are $6 \times 1 0^{4} kg / m^{3}$ and $1.2 \times 1 0^{8} N / m^{2}$ respectively. The wire is suspended from a rigid support on a planet where acceleration due to…
Physics · Properties of Matter · Numerical
Q87.An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of $20 μ F$ is V. Includes diagram
Physics · Alternating Current · Numerical
Q88.A body moves on a frictionless plane starting from rest. If $S_{n}$ is distance moved between $t = n - 1$ and $t = n$ and $S_{n - 1}$ is distance moved between $t = n - 2$ and $t = n - 1$ …
Physics · Motion in A Straight Line · Numerical
Q89.In Young's double slit experiment, carried out with light of wavelength $5000 A o$ , the distance between the slits is $200 cm$ and the screen is at $x = 0 cm$ from the slits. The central maximum is at $x = 0 cm$ …
Physics · Wave Optics · Numerical
Q90.A 2A current carrying straight metal wire of resistance $1Ω$ , resistivity $2 \times 1 0^{- 6} Ω m$ , area of cross-section $10 mm^{2}$ and mass $500 g$ is suspended horizontally in mid air by applying a…
Physics · Magnetics · Numerical