Physics A copper disc has a hole. If the disc is heated, the size of the hole No change Increases First increases and than decreases Decreases No change Increases First increases and than decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Mist is caused by Dry ice Carbon-monoxide in solid form Ice at low temperature Water vapour at low temperature Dry ice Carbon-monoxide in solid form Ice at low temperature Water vapour at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid cools No change The liquid evaporates The liquid boils The liquid cools No change The liquid evaporates The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Semi conductors Dielectrics Superconductors Perfect conductors Semi conductors Dielectrics Superconductors Perfect conductors ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A virtual image An image type which depends on object characteristics A real image An image type which depends on lens curvature A virtual image An image type which depends on object characteristics A real image An image type which depends on lens curvature ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the sea level At the top of a mountain Same anywhere Under a mine At the sea level At the top of a mountain Same anywhere Under a mine ANSWER DOWNLOAD EXAMIANS APP
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