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Physics · 2023 · 15 Apr · Shift 1

28 questions from this JEE Main paper

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2023 · 15 Apr · Shift 1
Physics

Physics · 2023 · 15 Apr · Shift 1

28 questions from this JEE Main paper

Properties of Matter2 questions Motion in A Straight Line1 questions Electrostatics1 questions Electronic Devices1 questions Dual Nature of Radiation1 questions Simple Harmonic Motion1 questions Gravitation2 questions Wave Optics1 questions Laws of Motion1 questions Vector Algebra1 questions Units and Measurements1 questions Current Electricity3 questions Heat and Thermodynamics2 questions Electromagnetic Waves1 questions Electromagnetic Induction2 questions Magnetics1 questions Waves1 questions Capacitor1 questions Atoms and Nuclei1 questions Geometrical Optics1 questions Work Power and Energy1 questions Rotational Motion1 questions

Q45.A wire of length ' $L$ ' and radius ' $r$ ' is clamped rigidly at one end. When the other end of the wire is pulled by a force $f$ , its length increases by ' $l$ '. Another wire of same material of length ' $2 r$ ' and radius ' $2 r$ '…
Physics · Properties of Matter · MCQ
Q46.The position of a particle related to time is given by $x = (5 t^{2} - 4 t + 5) m$ . The magnitude of velocity of the particle at $t = 2 s$ will be :
Physics · Motion in A Straight Line · MCQ
Q47.The electric field due to a short electric dipole at a large distance $(r)$ from center of dipole on the equatorial plane varies with distance as :
Physics · Electrostatics · MCQ
Q48.In the given circuit, the current (I) through the battery will be Includes diagram
Physics · Electronic Devices · MCQ
Q49.The de Broglie wavelength of an electron having kinetic energy $E$ is $λ$ . If the kinetic energy of electron becomes $\frac{E}{4}$ , then its de-Broglie wavelength will be :
Physics · Dual Nature of Radiation · MCQ
Q50.In a linear Simple Harmonic Motion (SHM) (A) Restoring force is directly proportional to the displacement. (B) The acceleration and displacement are opposite in direction. (C) The velocity is maximum at mean position. (D) The acceleration…
Physics · Simple Harmonic Motion · MCQ
Q51.Two identical particles each of mass ' $m$ ' go round a circle of radius $a$ under the action of their mutual gravitational attraction. The angular speed of each particle will be :
Physics · Gravitation · MCQ
Q52.A single slit of width $a$ is illuminated by a monochromatic light of wavelength $a$ . The value of ' $a$ ' for which first minimum appears at $θ = 3 0^{\circ}$ on the screen will be :
Physics · Wave Optics · MCQ
Q53.The position vector of a particle related to time $t$ is given by $r = (10 t \hat{i} + 15 t^{2} \hat{j} + 7 \hat{k}) m$ The direction of net force experienced by the particle is :
Physics · Laws of Motion · MCQ
Q54.A body is released from a height equal to the radius $(R)$ of the earth. The velocity of the body when it strikes the surface of the earth will be (Given $g =$ acceleration due to gravity on the earth.)
Physics · Gravitation · MCQ
Q55.A vector in $x - y$ plane makes an angle of $3 0^{\circ}$ with $y$ -axis. The magnitude of $y$ -component of vector is $23$ . The magnitude of $x$ -component of the vector will be :
Physics · Vector Algebra · MCQ
Q56.The speed of a wave produced in water is given by $v = λ^{a} g^{b} ρ^{c}$ . Where $ρ$ and $ρ$ are wavelength of wave, acceleration due to gravity and density of water respectively. The values of $c$ and $c$ …
Physics · Units and Measurements · MCQ
Q57.For designing a voltmeter of range $10 mA$ and an ammeter of range $54Ω$ using a galvanometer which has a coil of resistance $54Ω$ showing a full scale deflection for $1 mA$ as in figure. (A) for… Includes diagram
Physics · Current Electricity · MCQ
Q58.A thermodynamic system is taken through cyclic process. The total work done in the process is : Includes diagram
Physics · Heat and Thermodynamics · MCQ
Q59.Given below are two statements: Statement I : The equivalent resistance of resistors in a series combination is smaller than least resistance used in the combination. Statement II : The resistivity of the material is independent of…
Physics · Current Electricity · MCQ
Q60.Match List I with List II of Electromagnetic waves with corresponding wavelength range : Choose the correct answer from the options given below: Includes table
Physics · Electromagnetic Waves · MCQ
Q61.A flask contains Hydrogen and Argon in the ratio $2 : 1$ by mass. The temperature of the mixture is $3 0^{\circ} C$ . The ratio of average kinetic energy per molecule of the two gases ( $K$ argon/K hydrogen) is : (Given:…
Physics · Heat and Thermodynamics · MCQ
Q62. $6Ω$ battery connected to a coil of resistance $6Ω$ through a switch, drives a constant current in the circuit. The switch is opened in $20 V$ . The emf induced across the coil is $20 V$ . The inductance…
Physics · Electromagnetic Induction · MCQ
Q63.An electron in a hydrogen atom revolves around its nucleus with a speed of $6.76 \times 1 0^{6} ms^{- 1}$ in an orbit of radius $0.52 A^{\circ}$ . The magnetic field produced at the nucleus of the hydrogen atom is …
Physics · Magnetics · Numerical
Q64.The fundamental frequency of vibration of a string stretched between two rigid support is $18 g$ . The mass of the string is $20 g / m$ and its linear mass density is $20 g / m$ . The speed of the…
Physics · Waves · Numerical
Q65.In the given figure the total charge stored in the combination of capacitors is $100 μ C$ . The value of ' $x$ ' is . Includes diagram
Physics · Capacitor · Numerical
Q66.As per given figure $C$ and $C$ are the first, second and third excited energy levels of hydrogen atom respectively. If the ratio of the two wavelengths $($ i.e. $\frac{λ _{1}}{λ _{2}})$ is $\frac{7}{4 n}$ … Includes diagram
Physics · Atoms and Nuclei · Numerical
Q67.The refractive index of a transparent liquid filled in an equilateral hollow prism is $2$ . The angle of minimum deviation for the liquid will be $^{\circ}$ .
Physics · Geometrical Optics · Numerical
Q68.A block of mass $x$ is moving along $x$ -axis under the action of force $F = 5 x N$ . The work done by the force in moving the block from $x = 2 m$ to $4 m$ will be J.
Physics · Work Power and Energy · Numerical
Q69.A network of four resistances is connected to $A$ battery, as shown in figure. The magnitude of voltage difference between the points $A$ and $B$ is $V$ . Includes diagram
Physics · Current Electricity · Numerical
Q70.A $210 rpm$ long metallic rod is rotated with $210 rpm$ about an axis normal to the rod passing through its one end. The other end of the rod is in contact with a circular metallic ring. A constant and uniform magnetic…
Physics · Electromagnetic Induction · Numerical
Q71.There is an air bubble of radius $0.075 Nm^{- 1}$ in a liquid of surface tension $0.075 Nm^{- 1}$ and density $1000 kg m^{- 3}$ at a depth of $10 cm$ below the free surface. The amount by which the…
Physics · Properties of Matter · Numerical
Q72.A solid sphere and a solid cylinder of same mass and radius are rolling on a horizontal surface without slipping. The ratio of their radius of gyrations respectively $(k_{sph} : k_{cyl})$ is $2 : x$ . The…
Physics · Rotational Motion · Numerical