Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates No change The liquid cools The liquid boils The liquid evaporates No change The liquid cools The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Stratosphere Ionosphere Troposphere Ozonosphere Stratosphere Ionosphere Troposphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Lead Copper Silver Aluminium Lead Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
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