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Q. A single fixed pulley is used to draw water from a well as
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Q. A spherical ball made of steel when dropped in mercury container
Q. The instrument used in aircrafts to measure the altitude above a fixed level is:
Q. Transformer is based upon the principle of
Q. The frequency of a sound wave is related to its
Q. Who enunciated the laws of planetary motion?
Q. When the main switch of the house is put off it disconnects the
Q. Which of the following is the correct equivalent of 1 atmosphere?
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