EXAMIANS
The substance which conducts current in the solid state is
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Which among the following is false about displacement?
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The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because
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If the velocity of a body is halved its kinetic energy ________
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Pieces of camphor placed on water move about rapidly. This is because of
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When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is
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Vehicle tyres are inflated properly
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The weakest of all fundamental forces is
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A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ .
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Thermal expansion of materials arises from
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