Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon Of the diffusion of oil through the wick Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice Under a mine 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Soft iron Hard steel Mild steel Stainless steel Soft iron Hard steel Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Remain constant Increase Dacrease Will increase first and then dcrease Remain constant Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
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