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Physics · 2023 · 6 Apr · Shift 2

29 questions from this JEE Main paper

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2023 · 6 Apr · Shift 2
Physics

Physics · 2023 · 6 Apr · Shift 2

29 questions from this JEE Main paper

Motion in A Straight Line1 questions Geometrical Optics2 questions Heat and Thermodynamics3 questions Electromagnetic Waves1 questions Properties of Matter2 questions Electronic Devices1 questions Alternating Current1 questions Current Electricity3 questions Circular Motion2 questions Dual Nature of Radiation1 questions Electrostatics1 questions Atoms and Nuclei2 questions Gravitation2 questions Electromagnetic Induction1 questions Capacitor1 questions Work Power and Energy1 questions Magnetics1 questions Simple Harmonic Motion1 questions Rotational Motion1 questions Wave Optics1 questions

Q45.A particle starts with an initial velocity of $10.0 ms^{- 1}$ along $x$ -direction and accelerates uniformly at the rate of $2.0 ms^{- 2}$ . The time taken by the particle to reach the velocity of $60.0 ms^{- 1}$ …
Physics · Motion in A Straight Line · MCQ
Q46.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The phase difference of two light waves change if they travel through different media having same thickness, but different…
Physics · Geometrical Optics · MCQ
Q47.The temperature of an ideal gas is increased from $800 K$ to $200 K$ . If r.m.s. speed of gas at $v_{0}$ is $v_{0}$ . Then, r.m.s. speed of the gas at $800 K$ will be:
Physics · Heat and Thermodynamics · MCQ
Q48.The energy density associated with electric field $E$ and magnetic field $B$ of an electromagnetic wave in free space is given by $(ϵ_{0} -$ permittivity of free space, $μ_{0} -$ permeability of free space)
Physics · Electromagnetic Waves · MCQ
Q49.A 2 meter long scale with least count of $80 cm$ is used to measure the locations of objects on an optical bench. While measuring the focal length of a convex lens, the object pin and the convex lens are placed at $80 cm$ …
Physics · Geometrical Optics · MCQ
Q50.Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$ Assertion A: When you squeeze one end of a tube to get toothpaste out from the other end, Pascal's principle is…
Physics · Properties of Matter · MCQ
Q51.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Diffusion current in a p-n junction is greater than the drift current in magnitude if the junction is forward biased. Reason…
Physics · Electronic Devices · MCQ
Q52.A capacitor of capacitance $150.0 μ F$ is connected to an alternating source of emf given by $E = 36 sin (120 π t) V$ . The maximum value of current in the circuit is approximately equal to :
Physics · Alternating Current · MCQ
Q53.Figure shows a part of an electric circuit. The potentials at points $c$ and $c$ are $30 V, 12 V$ and $20 Ω$ respectively. The current through the $20 Ω$ resistor will be, Includes diagram
Physics · Current Electricity · MCQ
Q54.As shown in the figure, a particle is moving with constant speed $π m / s$ . Considering its motion from $A$ to $B$ , the magnitude of the average velocity is : Includes diagram
Physics · Circular Motion · MCQ
Q55.The work functions of Aluminium and Gold are $5.1 eV$ and and $5.1 eV$ respectively. The ratio of the slope of the stopping potential versus frequency plot for Gold to that of Aluminium is
Physics · Dual Nature of Radiation · MCQ
Q56.A body cools in 7 minutes from $6 0^{\circ} C$ to $4 0^{\circ} C$ . The temperature of the surrounding is $1 0^{\circ} C$ . The temperature of the body after the next 7 minutes will be:
Physics · Heat and Thermodynamics · MCQ
Q57.A dipole comprises of two charged particles of identical magnitude $q$ and opposite in nature. The mass 'm' of the positive charged particle is half of the mass of the negative charged particle. The two charges are separated by a distance…
Physics · Electrostatics · MCQ
Q58.The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is:
Physics · Heat and Thermodynamics · MCQ
Q59.A student is provided with a variable voltage source $V$ , a test resistor $R_{T} = 10 Ω$ , two identical galvanometers $G_{1}$ and $G_{2}$ and two additional resistors, $R_{1} = 10 M Ω$ and $R_{2} = 0.001 Ω$ . For…
Physics · Current Electricity · MCQ
Q60.A small particle of mass $m$ moves in such a way that its potential energy $U = \frac{1}{2} m ω^{2} r^{2}$ where $ω$ is constant and $r$ is the distance of the particle from origin. Assuming Bohr's quantization of momentum and…
Physics · Atoms and Nuclei · MCQ
Q61.A child of mass $3.14 s$ is going round a merry-go-round that makes 1 rotation in $2 m$ . The radius of the merry-go-round is $2 m$ . The centrifugal force on the child will be
Physics · Circular Motion · MCQ
Q62.The weight of a body on the surface of the earth is $100 N$ . The gravitational force on it when taken at a height, from the surface of earth, equal to one-fourth the radius of the earth is:
Physics · Gravitation · MCQ
Q63.Choose the incorrect statement from the following:
Physics · Gravitation · MCQ
Q64.Experimentally it is found that $\frac{9}{x} \times 1 0^{- 10} m$ energy is required to separate a hydrogen atom into a proton and an electron. So the orbital radius of the electron in a hydrogen atom is $\frac{9}{x} \times 1 0^{- 10} m$ . The…
Physics · Atoms and Nuclei · Numerical
Q65.Two concentric circular coils with radii $1000 cm$ and $\times 1 0^{- 8} H$ , and number of turns 10 and 200 respectively are placed coaxially with centers coinciding. The mutual inductance of this arrangement will be $\times 1 0^{- 8} H$ …
Physics · Electromagnetic Induction · Numerical
Q66.As shown in the figure, two parallel plate capacitors having equal plate area of $200 cm^{2}$ are joined in such a way that $a e q b$ . The equivalent capacitance of the combination is $x \in_{0} F$ . The value of $x$ is … Includes diagram
Physics · Capacitor · Numerical
Q67.A body is dropped on ground from a height ' $h_{1}$ ' and after hitting the ground, it rebounds to a height ' $h_{2}$ '. If the ratio of velocities of the body just before and after hitting ground is 4 , then percentage loss in kinetic energy…
Physics · Work Power and Energy · Numerical
Q68.As shown in the figure, the voltmeter reads $5 Ω$ across $5 Ω$ resistor. The resistance of the voltmeter is $Ω$ . Includes diagram
Physics · Current Electricity · Numerical
Q69.A proton with a kinetic energy of $\frac{π}{2} \times 1 0^{- 3} T$ moves into a region of uniform magnetic field of magnitude $\frac{π}{2} \times 1 0^{- 3} T$ . The angle between the direction of magnetic field and velocity of proton is $6 0^{\circ}$ …
Physics · Magnetics · Numerical
Q70.A simple pendulum with length $250 g$ and bob of mass $10 cm$ is executing S.H.M. of amplitude $\frac{x}{40} N$ . The maximum tension in the string is found to be $\frac{x}{40} N$ . The value of $x$ is …
Physics · Simple Harmonic Motion · Numerical
Q71.A metal block of mass $m$ is suspended from a rigid support through a metal wire of diameter $7 \times 1 0^{5} Nm^{- 2}$ . The tensile stress developed in the wire under equilibrium state is $7 \times 1 0^{5} Nm^{- 2}$ . The value of…
Physics · Properties of Matter · Numerical
Q72.A ring and a solid sphere rotating about an axis passing through their centers have same radii of gyration. The axis of rotation is perpendicular to plane of ring. The ratio of radius of ring to that of sphere is $\frac{2}{x}$ . The…
Physics · Rotational Motion · Numerical
Q73.A beam of light consisting of two wavelengths $7000 A o$ and $5500 A o$ is used to obtain interference pattern in Young's double slit experiment. The distance between the slits is $2.5 mm$ and the…
Physics · Wave Optics · Numerical