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Physics · 2024 · 9 Apr · Shift 2

30 questions from this JEE Main paper

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2024 · 9 Apr · Shift 2
Physics

Physics · 2024 · 9 Apr · Shift 2

30 questions from this JEE Main paper

Current Electricity3 questions Electronic Devices2 questions Motion in A Straight Line1 questions Atoms and Nuclei3 questions Gravitation1 questions Electromagnetic Waves1 questions Heat and Thermodynamics2 questions Electrostatics2 questions Dual Nature of Radiation1 questions Magnetics2 questions Properties of Matter2 questions Units and Measurements1 questions Electromagnetic Induction1 questions Laws of Motion1 questions Geometrical Optics1 questions Vector Algebra1 questions Rotational Motion1 questions Work Power and Energy1 questions Simple Harmonic Motion1 questions Wave Optics1 questions Alternating Current1 questions

Q61.The effective resistance between $A$ and $B$ , if resistance of each resistor is $R$ , will be : Includes diagram
Physics · Current Electricity · MCQ
Q62.In the truth table of the above circuit the value of X and Y are : Includes diagram
Physics · Electronic Devices · MCQ
Q63.Two cars are travelling towards each other at speed of $20 m s^{- 1}$ each. When the cars are $2 m s^{- 2}$ apart, both the drivers apply brakes and the cars retard at the rate of $2 m s^{- 2}$ .…
Physics · Motion in A Straight Line · MCQ
Q64.A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of $2 : 1$ . After disintegration they will move :
Physics · Atoms and Nuclei · MCQ
Q65.A satellite of $1 0^{3} kg$ mass is revolving in circular orbit of radius $2 R$ . If $\frac{1 0 ^{4} R}{6} J$ energy is supplied to the satellite, it would revolve in a new circular orbit of radius (use $g = 10 m / s^{2}, R =$ …
Physics · Gravitation · MCQ
Q66.The magnetic field in a plane electromagnetic wave is $B_{y} = (3.5 \times 1 0^{- 7}) sin (1.5 \times 1 0^{3} x + 0.5 \times 1 0^{11} t) T$ . The corresponding electric field will be :
Physics · Electromagnetic Waves · MCQ
Q67.A real gas within a closed chamber at $2 7^{\circ} C$ undergoes the cyclic process as shown in figure. The gas obeys $P V^{3} = R T$ equation for the path $A$ to $B$ . The net work done in the complete cycle is (assuming $R = 8 J / mol K$ … Includes diagram
Physics · Heat and Thermodynamics · MCQ
Q68.Five charges $+ q, + 5 q, - 2 q, + 3 q$ and $- 4 q$ are situated as shown in the figure. The electric flux due to this configuration through the surface $S$ is : Includes diagram
Physics · Electrostatics · MCQ
Q69.UV light of $3.13 eV$ is incident on a photosensitive metal surface having work function $3.13 eV$ . The maximum kinetic energy of ejected photoelectrons will be:
Physics · Dual Nature of Radiation · MCQ
Q70.The $I$ - $V$ characteristics of an electronic device shown in the figure. The device is : Includes diagram
Physics · Electronic Devices · MCQ
Q71.The energy released in the fusion of $E_{H}$ of hydrogen deep in the sun is $E_{H}$ and the energy released in the fission of $^{235} U$ of $^{235} U$ is $E_{U}$ . The ratio $\frac{E _{H}}{E _{U}}$ is approximately:…
Physics · Atoms and Nuclei · MCQ
Q72.A hydrogen atom in ground state is given an energy of $10.2 eV$ . How many spectral lines will be emitted due to transition of electrons?
Physics · Atoms and Nuclei · MCQ
Q73.A proton and a deutron $(q = + e, m = 2.0 u)$ having same kinetic energies enter a region of uniform magnetic field $B$ , moving perpendicular to $B$ . The ratio of the radius $r_{d}$ of deutron path to the radius…
Physics · Magnetics · MCQ
Q74.The temperature of a gas is $- 7 8^{\circ} C$ and the average translational kinetic energy of its molecules is $K$ . The temperature at which the average translational kinetic energy of the molecules of the same gas becomes $2 K$ …
Physics · Heat and Thermodynamics · MCQ
Q75.The excess pressure inside a soap bubble is thrice the excess pressure inside a second soap bubble. The ratio between the volume of the first and the second bubble is:
Physics · Properties of Matter · MCQ
Q76.A spherical ball of radius $1 \times 1 0^{- 4} m$ and density $1 0^{5} kg / m^{3}$ falls freely under gravity through a distance $h$ before entering a tank of water, If after entering in water the velocity of the ball…
Physics · Properties of Matter · MCQ
Q77.The de-Broglie wavelength associated with a particle of mass $m$ and energy $E$ is $h / 2 m E$ . The dimensional formula for Planck's constant is :
Physics · Units and Measurements · MCQ
Q78.A square loop of side $2 cm / s$ being moved towards right at a constant speed of $2 cm / s$ as shown in figure. The front edge enters the $t = 0$ wide magnetic field at $t = 0$ . The value of induced emf in… Includes diagram
Physics · Electromagnetic Induction · MCQ
Q79.A $4 m$ mass is suspended from the ceiling by a rope of length $F$ . A horizontal force ' $F$ ' is applied at the mid point of the rope so that the rope makes an angle of $4 5^{\circ}$ with respect to the vertical axis… Includes diagram
Physics · Laws of Motion · MCQ
Q80.The following figure represents two biconvex lenses $L_{1}$ and $L_{2}$ having focal length $15 cm$ and $L_{1}$ respectively. The distance between $L_{1}$ & $L_{2}$ is : Includes diagram
Physics · Geometrical Optics · MCQ
Q81.The resultant of two vectors $A$ and $B$ is perpendicular to $A$ and its magnitude is half that of $B$ . The angle between vectors $A$ and $B$ is $^{\circ}$ .
Physics · Vector Algebra · Numerical
Q82.An electric field $E = (2 x \hat{i}) N C^{- 1}$ exists in space. A cube of side is placed in the space as per figure given below. The electric flux through the cube is $Nm^{2} / C$ … Includes diagram
Physics · Electrostatics · Numerical
Q83.To determine the resistance (R) of a wire, a circuit is designed below. The $V$ - $I$ characteristic curve for this circuit is plotted for the voltmeter and the ammeter readings as shown in figure. The value of $R$ is … Includes diagram
Physics · Current Electricity · Numerical
Q84.A circular disc reaches from top to bottom of an inclined plane of length $l$ . When it slips down the plane, if takes $(\frac{α}{2})^{1/2} t s$ . When it rolls down the plane then it takes $(\frac{α}{2})^{1/2} t s$ ,…
Physics · Rotational Motion · Numerical
Q85.A force $(3 x^{2} + 2 x - 5) N$ displaces a body from $x = 2 m$ to $x = 4 m$ . Work done by this force is J.
Physics · Work Power and Energy · Numerical
Q86.A particle of mass $F = - 50 (Nm^{- 1}) x$ executes simple harmonic motion under force $F = - 50 (Nm^{- 1}) x$ . The time period of oscillation is $\frac{x}{35} s$ . The value of $x$ is . (Given $π = \frac{22}{7}$ )
Physics · Simple Harmonic Motion · Numerical
Q87.At room temperature $(2 7^{\circ} C)$ , the resistance of a heating element is $50Ω$ . The temperature coefficient of the material is $2.4 \times 1 0^{- 4}^{\circ} C^{- 1}$ . The temperature of the element, when its…
Physics · Current Electricity · Numerical
Q88.A straight magnetic strip has a magnetic moment of $44 Am^{2}$ . If the strip is bent in a semicircular shape, its magnetic moment will be $Am^{2}$ . (given $π = \frac{22}{7}$ )
Physics · Magnetics · Numerical
Q89.Monochromatic light of wavelength $= 1.5$ is used in Young's double slit experiment. An interference pattern is obtained on a screen. When one of the slits is covered with a very thin glass plate (refractive index $= 1.5$ ), the…
Physics · Wave Optics · Numerical
Q90.A capacitor of reactance $43 Ω$ and a resistor of resistance $4Ω$ are connected in series with an ac source of peak value $82 V$ . The power dissipation in the circuit is W.
Physics · Alternating Current · Numerical