Physics The sound produced by a bat is– Subsonic Ultrasonic Infrasonic Audible Subsonic Ultrasonic Infrasonic Audible ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there 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 becomes very hard It reflects most of the heat from the sun It has a low specific heat capacity It has a high latent heat of fusion It becomes very hard It reflects most of the heat from the sun It has a low specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same: Momentum Acceleration Velocity Kinetic energy Momentum Acceleration Velocity Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the friction between sand and feet is more than that between concrete and feet. sand is soft and concreter is hard. the sand is grainy but concrete is smooth. the friction between sand and feet is less than that between concrete and feet. the friction between sand and feet is more than that between concrete and feet. sand is soft and concreter is hard. the sand is grainy but concrete is smooth. the friction between sand and feet is less than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only Conduction and convection only Conduction, convection and radiation Convection and radiation only Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
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