Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Glass to water Air to water Air to glass Water to glass Glass to water Air to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a high latent heat of fusion It has a low specific heat capacity It reflects most of the heat from the sun It becomes very hard It has a high latent heat of fusion It has a low specific heat capacity It reflects most of the heat from the sun It becomes very hard ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be > P P 2P < P > P P 2P < P ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Near magnet Near iron All listed here Away from electrical wiring Near magnet Near iron All listed here Away from electrical wiring ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) Weighing will depend on their masses The gold piece will weigh more The silver piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The gold piece will weigh more The silver piece will weigh more Both silver and gold pieces weigh equal ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Animals Rain water Sun Clouds Animals Rain water Sun Clouds ANSWER DOWNLOAD EXAMIANS APP
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