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 a optical fibre cable, the signal is propagated along the Surface and cladding Inner Core Both core and cladding Cladding Surface and cladding Inner Core Both core and cladding Cladding ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A system exhibiting S.H.M. must possess Elasticity as well as inertia Elasticity only Elasticity, inertia and an external force Inertia only Elasticity as well as inertia Elasticity only Elasticity, inertia and an external force Inertia only ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals have higher thermal capacity than plastics metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Optics Oscillations Speed Planetary Motion Optics Oscillations Speed Planetary Motion ANSWER DOWNLOAD EXAMIANS APP