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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE Main 2022
A block of mass ' $m$ ' (as shown in figure) moving with kinetic energy E compresses a spring through a distance 25 cm when,...
JEE Main Physics Easy
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Q JEE MAIN 2022
A bullet of mass 200 g having initial kinetic energy 90 J is shot inside a long swimming pool as shown in the figure. If...
JEE Main Physics Easy
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Q JEE MAIN 2022
A body of mass 8 kg and another of mass 2 kg are moving with equal kinetic energy. The ratio of their respective momenta will...
JEE Main Physics Medium
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Q JEE MAIN 2022
A ball is projected with kinetic energy E, at an angle of 60º to the horizontal. The kinetic energy of this ball at the highest...
JEE Main Physics Easy
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Q JEE MAIN 2022
A body of mass 0.5 kg travels on straight line path with velocity $\mathrm{v}=\left(3 x^2+4\right) \mathrm{m} / \mathrm{s}$. The net workdone by the force during...
JEE Main Physics Easy
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Q JEE MAIN 2022
In the given figure, the block of mass m is dropped from the point 'A'. The expression for kinetic energy of block when it reaches...
JEE Main Physics Easy
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Q JEE MAIN 2022
A bar magnet having a magnetic moment of $2.0 \times 10^5 \mathrm{JT}^{-1}$, is placed along the direction of uniform magnetic field of magnitude $...
JEE Main Physics Easy
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Q JEE MAIN 2022
Arrange the four graphs in descending order of total work done; where W1, W2, W3 and W4 are the work done corresponding to figure a,...
JEE Main Physics Easy
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Q JEE MAIN 2022
Potential energy as a function of r is given by $U=\frac{A}{r^{10}}-\frac{B}{r^5}$, where r is the interatomic distance, A and B are positive constants. The equilibrium...
JEE Main Physics Easy
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Q JEE MAIN 2022
A ball of mass 100 g is dropped from a height h = 10 cm on a platform fixed at the top of vertical spring...
JEE Main Physics Hard
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