Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which elements are malleable and good conductors of electricity? Tin and silver Tin and xenon Iodine and silver Iodine and xenon Tin and silver Tin and xenon Iodine and silver Iodine and xenon ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Latent heat of condensation Deflection and advection Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Latent heat of condensation Deflection and advection Expansion and compression of the air Partial absorption of solar radiation by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol is a poor conductor of heat Its freezing point is very low Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube Alcohol is a poor conductor of heat Its freezing point is very low Alcohol can be coloured for its level to be seen easily It will not stick to the glass tube ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Chemical energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy Magnetic energy into electrical energy Heat energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Conductance Melting point Specific gravity Resistance Conductance Melting point Specific gravity Resistance ANSWER DOWNLOAD EXAMIANS APP