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Q. A spring is an example of which of these
A spring is an example of Hooke's law.
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Q. When light enters from air to water, then its
Q. If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is
Q. As a spaceship moves from a higher to a lower orbit, its speed
Q. The waveform of a certain signal can be studied by
Q. Which of the following liquids is most viscous?
Q. In a Laser (say neon laser) all the atoms emit the light waves of
Q. The torque of a D.C series motor with increase in speed
Q. Which among the following waves is used for communication by artificial satellites ?
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