Physics Superconductors are those elements Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Cinema projectors Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography Vehicles ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Earthshine Mirage Rainbow Halo Earthshine Mirage Rainbow Halo ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Apparent expansion Areal expansion Volume expansion Linear expansion Apparent expansion Areal expansion Volume expansion Linear expansion ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands on the pan of a balance holding a fish in his right hand and bucket of water in his left hand. If he transfers the fish into the bucket, the total weight on the pan Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
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