Physics For which Diode is used ? Oscillation Purification Modulation Amplification Oscillation Purification Modulation Amplification ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Solid Liquid Vacuum Gas Solid Liquid Vacuum Gas 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 reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Stratosphere Ozonosphere Troposphere Ionosphere Stratosphere Ozonosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Contracts Expands It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Contracts ANSWER DOWNLOAD EXAMIANS APP