Physics To measure the speed of an approaching car a police officer shines Microwaves on it Ultra high frequency waves on it Light waves on it Radio waves on it Microwaves on it Ultra high frequency waves on it Light waves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective ANSWER DOWNLOAD EXAMIANS APP
Physics Necessary element of change in solar energy to electrical energy Tantelum Berillium Pure Copper Silicon Tantelum Berillium Pure Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Expansion and compression of the air Latent heat of condensation Partial absorption of solar radiation by the atmosphere Deflection and advection Expansion and compression of the air Latent heat of condensation Partial absorption of solar radiation by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which liquid is the most viscous? Diesel Oil Milk Water Diesel Oil Milk Water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS