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Q. Which one of the following instruments is used to study dispersion of light?
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Q. Which one of the following is the unit of activity of a radioactive source?
Q. During the motion of a projectile fired from the earth surface, _______
Q. Radio telescopes are better than optical telescopes because
Q. One horsepower is equal to how many watts?
Q. Two resistances of 100 ohms and 0 ohm are connected in parallel. The overall resistance will be
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