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Q. Which one of the following does a TV remote control unit use to operate a TV set?
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Q. The dip of a magnetic needle will be zero
Q. The quality of sound produced by an instrument depends on the
Q. The direction of heat flow between two objects depends on
Q. The insulating material for cables should have ?
Q. What do we call the nuclides having same mass number?
Q. In a refrigerator, the cooling system should always be
Q. Which among the given options correctly explains the term heat budget
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