Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics When the main switch of the house is put off it disconnects the Live wire and the earth wire Live wire and the neutral wire Earth wire and the neutral wire Live wire only Live wire and the earth wire Live wire and the neutral wire Earth wire and the neutral wire Live wire only ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Cube of amplitude Amplitude Square of amplitude Square root of amplitude Cube of amplitude Amplitude Square of amplitude Square root of amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics What apparatus is used to locate a submerged object? Pulsar Sonar Radar Quasar Pulsar Sonar Radar Quasar ANSWER DOWNLOAD EXAMIANS APP
Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 25 J 40 J 10 J 20 J 25 J 40 J 10 J 20 J ANSWER DOWNLOAD EXAMIANS APP