New chat PYQ Library Doubts Rank report

Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →

Physics · 2024

50 questions from this NEET paper

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
NEET
Papers
2024
Physics

Physics · 2024

50 questions from this NEET paper

Magnetism and Matter4 questions Motion in A Plane2 questions Electrostatics2 questions Properties of Matter1 questions Gravitation2 questions Dual Nature of Radiation and Matter2 questions Work Energy and Power2 questions Alternating Current3 questions Capacitor3 questions Current Electricity3 questions Units and Measurement3 questions Motion in A Straight Line1 questions Rotational Motion1 questions Semiconductor Electronics3 questions Geometrical Optics1 questions Atoms and Nuclei4 questions Heat and Thermodynamics3 questions Oscillations2 questions Wave Optics3 questions Electromagnetic Induction1 questions Electromagnetic Waves2 questions Laws of Motion1 questions Waves1 questions

Q151.The magnetic potential energy, when a magnetic bar of magnetic moment $m$ is placed perpendicular to the magnetic field $B$ is
Physics · Magnetism and Matter · MCQ
Q152.A bob is whirled in a horizontal circle by means of a string at an initial speed of $10 rpm$ . If the tension in the string is quadrupled while keeping the radius constant, the new speed is:
Physics · Motion in A Plane · MCQ
Q153.A metal cube of side $6 μ C$ is charged with $6 μ C$ . The surface charge density on the cube is
Physics · Electrostatics · MCQ
Q154.The incorrect relation for a diamagnetic material (all the symbols carry their usual meaning and $ε$ is a small positive number) is
Physics · Magnetism and Matter · MCQ
Q155.An ideal fluid is flowing in a non-uniform cross-sectional tube $X Y$ (as shown in the figure) from end $X$ to end $Y$ . If $K_{1}$ and $K_{2}$ are the kinetic energy per unit volume of the fluid at $X$ and $Y$ respectively, then the correct… Includes diagram
Physics · Properties of Matter · MCQ
Q156.The escape velocity for earth is $v$ . A planet having 9 times mass that of earth and radius, 16 times that of earth, has the escape velocity of:
Physics · Gravitation · MCQ
Q157.An electron and an alpha particle are accelerated by the same potential difference. Let $λ_{e}$ and $λ_{α}$ denote the de-Broglie wavelengths of the electron and the alpha particle, respectively, then:
Physics · Dual Nature of Radiation and Matter · MCQ
Q158.An object moving along horizontal $x$ -direction with kinetic energy $x = (3 \hat{i}) m$ is displaced through $x = (3 \hat{i}) m$ by the force $F = (- 2 \hat{i} + 3 \hat{j}) N$ . The kinetic energy of the object at the end…
Physics · Work Energy and Power · MCQ
Q159.An object falls from a height of $50%$ above the ground. After striking the ground it loses $50%$ of its kinetic energy. The height upto which the object can rebounce from the ground is:
Physics · Work Energy and Power · MCQ
Q160.In the circuit shown below, the inductance $L$ is connected to an ac source. The current flowing in the circuit is $I = I_{0} sin ω t$ . The voltage drop $(V_{L})$ across $L$ is Includes diagram
Physics · Alternating Current · MCQ
Q161.A $50 V$ capacitor is connected to a $nJ$ battery, the electrostatic energy stored in the capacitor in $nJ$ is
Physics · Capacitor · MCQ
Q162.A uniform wire of diameter $d$ carries a current of $v$ when the mean drift velocity of electrons in the wire is $v$ . For a wire of diameter $\frac{d}{2}$ of the same material to carry a current of $200 mA$ , the…
Physics · Current Electricity · MCQ
Q163.In an electrical circuit, the voltage is measured as $V = (200 \pm 4)$ volt and the current is measured as $I = (20 \pm 0.2)$ A. The value of the resistance is:
Physics · Units and Measurement · MCQ
Q164.A step up transformer is connected to an ac mains supply of $11000 V, 88$ to operate at $11000 V, 88$ watt. The current in the secondary circuit, ignoring the power loss in the transformer, is
Physics · Alternating Current · MCQ
Q165.A particle is moving along $x$ -axis with its position (x) varying with time $(t)$ as $x = α t^{4} + β t^{2} + γ t + δ$ . The ratio of its initial velocity to its initial acceleration, respectively, is:
Physics · Motion in A Straight Line · MCQ
Q166.The radius of gyration of a solid sphere of mass $X Y$ about $X Y$ is $\frac{5 x}{7} m$ as shown in figure. The radius of the sphere is $\frac{5 x}{7} m$ , then the value of $x$ is: Includes diagram
Physics · Rotational Motion · MCQ
Q167.The I-V characteristics shown above are exhibited by a Includes diagram
Physics · Semiconductor Electronics · MCQ
Q168.The magnetic moment and moment of inertia of a magnetic needle as shown are, respectively, $1.0 \times 1 0^{- 2} A m^{2}$ and $\frac{1 0 ^{- 6}}{π ^{2}} kg m^{2}$ . If it completes 10 oscillations in $10 s$ … Includes diagram
Physics · Magnetism and Matter · MCQ
Q169.The capacitance of a capacitor with charge $q$ and a potential difference $V$ depends on
Physics · Capacitor · MCQ
Q170.Given below are two statements: Statement I : Image formation needs regular reflection and/or refraction. Statement II : The variety in colour of objects we see around us is due to the constituent colours of the light incident on them. In…
Physics · Geometrical Optics · MCQ
Q171.A uniform metal wire of length $l$ has $10Ω$ resistance. Now this wire is stretched to a length $2 l$ and then bent to form a perfect circle. The equivalent resistance across any arbitrary diameter of that circle is
Physics · Current Electricity · MCQ
Q172.The spectral series which corresponds to the electronic transition from the levels $n_{2} = 5, 6, \dots$ to the level $n_{1} = 4$ is
Physics · Atoms and Nuclei · MCQ
Q173.Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$ . Assertion A: Houses made of concrete roofs overlaid with foam keep the room hotter during summer. Reason R: The…
Physics · Heat and Thermodynamics · MCQ
Q174.A particle executing simple harmonic motion with amplitude A has the same potential and kinetic energies at the displacement
Physics · Oscillations · MCQ
Q175.Two slits in Young's double slit experiment are $1 m$ apart and the screen is placed at a distance of $600 \times 1 0^{- 9} m$ from the slits. If the wavelength of light used is $600 \times 1 0^{- 9} m$ then the fringe…
Physics · Wave Optics · MCQ
Q176.Water is used as a coolant in a nuclear reactor because of its
Physics · Atoms and Nuclei · MCQ
Q177.The pitch of an error free screw gauge is $1 mm$ and there are 100 divisions on the circular scale. While measuring the diameter of a thick wire, the pitch scale reads $6 3^{rd}$ and $6 3^{rd}$ division on the…
Physics · Units and Measurement · MCQ
Q178.Let us consider two solenoids $A$ and $B$ , made from same magnetic material of relative permeability $μ_{r}$ and equal area of cross-section. Length of $A$ is twice that of $B$ and the number of turns per unit length in $A$ is half that of…
Physics · Electromagnetic Induction · MCQ
Q179.When the output of an OR gate is applied as input to a NOT gate, then the combination acts as a
Physics · Semiconductor Electronics · MCQ
Q180.Interference pattern can be observed due to superposition of the following waves: A. $y = a sin ω t$ B. $y = a sin 2 ω t$ C. $y = a sin (ω t - ϕ)$ D. $y = a sin 3 ω t$ Choose the correct answer from the options given…
Physics · Wave Optics · MCQ
Q181.If $ϕ$ is the work function of photosensitive material in $eV$ and light of wavelength of numerical value $λ = \frac{h c}{e}$ metre, is incident on it with energy above its threshold value at an instant then the maximum…
Physics · Dual Nature of Radiation and Matter · MCQ
Q182.The electromagnetic radiation which has the smallest wavelength are
Physics · Electromagnetic Waves · MCQ
Q183.The equilibrium state of a thermodynamic system is described by A. Pressure B. Total heat C. Temperature D. Volume E. Work done Choose the most appropriate answer from the options given below.
Physics · Heat and Thermodynamics · MCQ
Q184.Some energy levels of a molecule are shown in the figure with their wavelengths of transitions. Then : Includes diagram
Physics · Atoms and Nuclei · MCQ
Q185.A box of mass $3 0^{\circ}$ is pulled by a cord, up along a frictionless plane inclined at $3 0^{\circ}$ with the horizontal. The tension in the cord is $g = 10 m s^{- 2}$ . The acceleration of the box is (Take $g = 10 m s^{- 2}$ …
Physics · Laws of Motion · MCQ
Q186.If the ratio of relative permeability and relative permittivity of a uniform medium is $1 : 4$ . The ratio of the magnitudes of electric field intensity $(E)$ to the magnetic field intensity $(H)$ of an EM wave propagating in that medium is…
Physics · Electromagnetic Waves · MCQ
Q187.The value of electric potential at a distance of $4 \times 1 0^{- 7} C$ from the point charge $4 \times 1 0^{- 7} C$ is [Given $\frac{1}{4 π ε _{0}} = 9 \times 1 0^{9} N m^{2} C^{- 2}$ ] :
Physics · Electrostatics · MCQ
Q188.The displacement of a travelling wave $y = C sin \frac{2 π}{λ}$ (at $- x$ ) where $t$ is time, $x$ is distance and $λ$ is the wavelength, all in S.I. units. Then the frequency of the wave is
Physics · Waves · MCQ
Q189.An object of mass $A$ falls from point $A$ to $B$ as shown in figure. The change in its weight, corrected to the nearest integer is ( $R_{E}$ is the radius of the earth) Includes diagram
Physics · Gravitation · MCQ
Q190.The potential energy of a particle moving along $x$ -direction varies as $V = \frac{A x ^{2}}{x + B}$ . The dimensions of $\frac{A ^{2}}{B}$ are:
Physics · Units and Measurement · MCQ
Q191.The two-dimensional motion of a particle, described by $r = (\hat{i} + 2 \hat{j}) A cos ω t$ is a/an: A. parabolic path B. elliptical path C. periodic motion D. simple harmonic motion Choose the correct answer from the options…
Physics · Oscillations · MCQ
Q192.A beam of unpolarized light of intensity I0 is passed through a polaroid A, then through another polaroid B, oriented at $6 0^{\circ}$ and finally through another polaroid C, oriented at 45 $^{\circ}$ relative to B as shown. The intensity of… Includes diagram
Physics · Wave Optics · MCQ
Q193.Select the correct statements among the following : A. Slow neutrons can cause fission in $_{92}^{235} U$ than fast neutrons. B. $α$ -rays are Helium nuclei. C. $β$ -rays are fast moving electrons or positrons. D. $γ$ …
Physics · Atoms and Nuclei · MCQ
Q194.Let $ω_{1}, ω_{2}$ and $ω_{3}$ be the angular speed of the second hand, minute hand and hour hand of a smoothly running analog clock, respectively. If $x_{1}, x_{2}$ and $x_{3}$ are their respective angular distances in 1 minute then…
Physics · Motion in A Plane · MCQ
Q195.The magnetic moment of an iron bar is $M$ . It is now bent in such a way that it forms an arc section of a circle subtending an angle of $6 0^{\circ}$ at the centre. The magnetic moment of this arc section is
Physics · Magnetism and Matter · MCQ
Q196.The given circuit shows a uniform straight wire $A B$ of $G$ length fixed at both ends. In order to get zero reading in the galvanometer $G$ , the free end of $J$ is to be placed from $B$ at: Includes diagram
Physics · Current Electricity · MCQ
Q197.According to the law of equipartition of energy, the number of vibrational modes of a polyatomic gas of constant $γ = \frac{C _{p}}{C _{v}}$ is ( $C_{P}$ where $C_{V}$ are the specific heat capacities of the gas at constant pressure and constant…
Physics · Heat and Thermodynamics · MCQ
Q198.The output Y for the inputs A and B of the given logic circuit is: Includes diagram
Physics · Semiconductor Electronics · MCQ
Q199.The amplitude of the charge oscillating in a circuit decreases exponentially as $Q = Q_{0} e^{- R t /2 L}$ , where $Q_{0}$ is the charge at $t = 0 s$ . The time at which charge amplitude decreases to $0.50 Q_{0}$ is nearly: [Given that $R = 1.5Ω, L = 12 mH, ln (2) = 0.693$ …
Physics · Alternating Current · MCQ
Q200.The steady state current in the circuit shown below is : Includes diagram
Physics · Capacitor · MCQ