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Q. The reverse effect of X-ray emission is
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Q. Which of the following occurred first ?
Q. Which among the given criterion is used for any metal to be used as a cooking material -
Q. The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by
Q. Why are we able to hear short wave broadcasts better than long wave broadcasts ?
Q. Weight of an object put in a satellite orbiting in space around the earth is
Q. It is easier to roll a barrel full of coal tar than to pull it because
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