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QJEE MAIN_2023
If a solid sphere of mass 5 kg and a disc of mass 4 kg have the same radius. Then the ratio of moment of...
JEE MainPhysicsEasy
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QJEE MAIN_2023
A series LCR circuit is connected to an AC source of 220 V, 50 Hz. The circuit contains a resistance R = $80 \Omega$,, an...
JEE MainPhysicsEasy
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QJEE MAIN 2023
A proton with a kinetic energy of 2.0 eV moves into a region of uniform magnetic field of magnitude $\frac{\pi}{2} \times 10^{-3} \mathrm{~T}$. The angle...
JEE MainPhysicsHard
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QJEE MAIN 2023
Experimentally it is found that 12.8 eV energy is required to separate a hydrogen atom into a proton and an electron. So the orbital radius...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A body is dropped on ground from a height ' $\mathrm{h}_1$ ' and after hitting the ground, it rebounds to a height ' $\mathrm{h}_2$ '...
JEE MainPhysicsEasy
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QJEE MAIN_2023
Two cells are connected between points A and B as shown. Cell 1 has emf of 12 V and internal resistance of $3 \Omega$ Cell...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A beam of light consisting of two wavelengths $7000 \AA$ and $5500 \AA$ is used to obtain interference pattern in Young's double slit experiment. The...
JEE MainPhysicsHard
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QJEE MAIN 2023
Two concentric circular coils with radii 1 cm and 1000 cm , and number of turns 10 and 200 respectively are placed coaxially with centers...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A simple pendulum with length 100 cm and bob of mass 250 g is executing S.H.M. of amplitude 10 cm . The maximum tension in...
JEE MainPhysicsMedium
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QJEE MAIN 2023
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...
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