Physics To measure the speed of an approaching car a police officer shines Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Viscosity Friction Elasticity Surface tension Viscosity Friction Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Interference Total internal reflection Refraction Scattering Interference Total internal reflection Refraction Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are Both A & B Water None of these Earth's heat Both A & B Water None of these Earth's heat ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are electromagnetic transverse polarised longitudinal electromagnetic transverse polarised longitudinal ANSWER DOWNLOAD EXAMIANS APP
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