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Physics · 2023 · 13 Apr · Shift 2

28 questions from this JEE Main paper

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2023 · 13 Apr · Shift 2
Physics

Physics · 2023 · 13 Apr · Shift 2

28 questions from this JEE Main paper

Motion in A Straight Line2 questions Gravitation2 questions Units and Measurements1 questions Heat and Thermodynamics3 questions Properties of Matter1 questions Circular Motion1 questions Electromagnetic Waves1 questions Capacitor2 questions Wave Optics1 questions Electronic Devices1 questions Electrostatics2 questions Alternating Current1 questions Dual Nature of Radiation2 questions Magnetics2 questions Simple Harmonic Motion1 questions Rotational Motion1 questions Waves1 questions Electromagnetic Induction1 questions Geometrical Optics1 questions Work Power and Energy1 questions

Q44.The distance travelled by an object in time $t$ is given by $s = (2.5) t^{2}$ . The instantaneous speed of the object at $t = 5 s$ will be:
Physics · Motion in A Straight Line · MCQ
Q45.Given below are two statements: Statement I : For a planet, if the ratio of mass of the planet to its radius increases, the escape velocity from the planet also increases. Statement II : Escape velocity is independent of the radius of the…
Physics · Gravitation · MCQ
Q46.In the equation $[X + \frac{a}{Y ^{2}}] [Y - b] = R T, X$ is pressure, $Y$ is volume, $R$ is universal gas constant and $T$ is temperature. The physical quantity equivalent to the ratio $\frac{a}{b}$ is:
Physics · Units and Measurements · MCQ
Q47.The initial pressure and volume of an ideal gas are P $_{0}$ and V $_{0}$ . The final pressure of the gas when the gas is suddenly compressed to volume $\frac{V _{0}}{4}$ will be : (Given $γ$ = ratio of specific heats at constant pressure and…
Physics · Heat and Thermodynamics · MCQ
Q48.Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$ Assertion A : A spherical body of radius $(5 \pm 0.1) mm$ having a particular density is falling through a…
Physics · Properties of Matter · MCQ
Q49.A vehicle of mass $70 m$ is moving along a levelled curved road of radius $0.2 rad / s$ with angular velocity of $0.2 rad / s$ . The centripetal force acting on the vehicle is:
Physics · Circular Motion · MCQ
Q50.Two planets A and B of radii $R$ and 1.5 R have densities $ρ$ and $ρ /2$ respectively. The ratio of acceleration due to gravity at the surface of $B$ to $A$ is:
Physics · Gravitation · MCQ
Q51.In an electromagnetic wave, at an instant and at particular position, the electric field is along the negative $z$ -axis and magnetic field is along the positive $x$ -axis. Then the direction of propagation of electromagnetic wave is:
Physics · Electromagnetic Waves · MCQ
Q52.In the network shown below, the charge accumulated in the capacitor in steady state will be: Includes diagram
Physics · Capacitor · MCQ
Q53.In a Young's double slits experiment, the ratio of amplitude of light coming from slits is $2 : 1$ . The ratio of the maximum to minimum intensity in the interference pattern is:
Physics · Wave Optics · MCQ
Q54.The mean free path of molecules of a certain gas at STP is $d$ , where $d$ is the diameter of the gas molecules. While maintaining the standard pressure, the mean free path of the molecules at $373 K$ is…
Physics · Heat and Thermodynamics · MCQ
Q55.The output from NAND gate having inputs A and B given below will be, Includes diagram
Physics · Electronic Devices · MCQ
Q56.A $10 μ C$ charge is divided into two parts and placed at $1 cm$ distance so that the repulsive force between them is maximum. The charges of the two parts are:
Physics · Electrostatics · MCQ
Q57.Given below are two statements: Statement I : An AC circuit undergoes electrical resonance if it contains either a capacitor or an inductor. Statement II : An AC circuit containing a pure capacitor or a pure inductor consumes high power…
Physics · Alternating Current · MCQ
Q58.Given below are two statements: Statement I : Out of microwaves, infrared rays and ultraviolet rays, ultraviolet rays are the most effective for the emission of electrons from a metallic surface. Statement II : Above the threshold…
Physics · Dual Nature of Radiation · MCQ
Q59.An electron is moving along the positive $x$ -axis. If the uniform magnetic field is applied parallel to the negative z-axis, then A. The electron will experience magnetic force along positive y-axis B. The electron will experience…
Physics · Magnetics · MCQ
Q60.A particle executes SHM of amplitude A. The distance from the mean position when its's kinetic energy becomes equal to its potential energy is :
Physics · Simple Harmonic Motion · MCQ
Q61.A passenger sitting in a train A moving at $90 km / h$ observes another train $B$ moving in the opposite direction for $54 km / h$ . If the velocity of the train B is $54 km / h$ , then…
Physics · Motion in A Straight Line · MCQ
Q62.Three point charges $q, - 2 q$ and $2 q$ are placed on $x$ -axis at a distance $x = 0, x = \frac{3}{4} R$ and $x = R$ respectively from origin as shown. If $q = 2 \times 1 0^{- 6} C$ and $R = 2 cm$ … Includes diagram
Physics · Electrostatics · Numerical
Q63.An atom absorbs a photon of wavelength $600 nm$ and emits another photon of wavelength $n \times 1 0^{- 4} eV$ . The net energy absorbed by the atom in this process is $n \times 1 0^{- 4} eV$ . The value of n is …
Physics · Dual Nature of Radiation · Numerical
Q64.A light rope is wound around a hollow cylinder of mass 5 kg and radius 70 cm. The rope is pulled with a force of 52.5 N. The angular acceleration of the cylinder will be rad s $^{- 2}$ .
Physics · Rotational Motion · Numerical
Q65.A straight wire $AB$ of mass $50 cm$ and length $0.40 T$ is suspended by a pair of flexible leads in uniform magnetic field of magnitude $0.40 T$ as shown in the figure. The magnitude of the current… Includes diagram
Physics · Magnetics · Numerical
Q66.Two plates $A$ and $B$ have thermal conductivities $84 Wm^{- 1} K^{- 1}$ and $126 Wm^{- 1} K^{- 1}$ respectively. They have same surface area and same thickness. They are placed in…
Physics · Heat and Thermodynamics · Numerical
Q67.In an experiment with sonometer when a mass of $30 Hz$ is attached to the string, it vibrates with fundamental frequency of $m$ . When a mass $m$ is attached, the string vibrates with fundamental frequency…
Physics · Waves · Numerical
Q68.An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of the cross-sectional area $24 cm^{2}$ . The two ends of the wire are connected to a resistor. The total resistance in the circuit is $12 Ω$ .…
Physics · Electromagnetic Induction · Numerical
Q69.In the circuit shown, the energy stored in the capacitor is $n μ J$ . The value of $n$ is Includes diagram
Physics · Capacitor · Numerical
Q70.A bi convex lens of focal length is cut in two identical parts along a plane perpendicular to the principal axis. The power of each lens after cut is D.
Physics · Geometrical Optics · Numerical
Q71.A car accelerates from rest to $u m / s$ . The energy spent in this process is E J. The energy required to accelerate the car from $u m / s$ to $2 um / s$ is $nE J$ .…
Physics · Work Power and Energy · Numerical