An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?
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The SI unit of momentum is _____________.
A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)
Sensitivity of potentiometer can be increased by
Which of the following is a Non-Luminous body?
For what is Mohs scale used?
Which object converts electricity to light?
Bulb converts electricity to light whereas solar panel is the device which converts light to electricity.
A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.
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