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Q. Which among the given property of sound is affected by change in air temperature
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Q. A sphere rolls down on two inclined planes of different angles but same height, it does so
Q. Fleming's right hand rule is used to find the direction of the
Q. Which of the following electrical machines has the highest efficiency?
Q. What device converts light energy to electrical energy?
Q. What is the fundamental unit of amount of a substance?
Q. The angular momentum of a satellite depends on which of the following?
Q. Mirrors are used by dentists to see an enlarged image of teeth. These mirrors are _______.
Q. In electric fittings, the wires are earthed because
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