Physics In a refrigerator what produces the cooling ? 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 The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Fusion reaction None Fission reaction Combustion reaction Fusion reaction None Fission reaction Combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 373K 100K 0 K 273K 373K 100K 0 K 273K ANSWER DOWNLOAD EXAMIANS APP
Physics If an object is thrown upwards, what will be its velocity, when it reaches its maximum height? 14.7 m/s 20 m/s 0 m/s 4.9 m/s 14.7 m/s 20 m/s 0 m/s 4.9 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Surface tension Pressure Viscosity Inertia Surface tension Pressure Viscosity Inertia ANSWER DOWNLOAD EXAMIANS APP