Physics Vehicles use ________ to see the objects coming from behind. Concave lens Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Transformer Transistor Diode Capacitor Transformer Transistor Diode Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. directly proportional to square of directly proportional to inversely proportional to square of inversely proportional to directly proportional to square of directly proportional to inversely proportional to square of inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect Adiabatic demagnetisation Super conductivity Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against X-rays Infra-red rays Gamma rays Ultra-violet rays X-rays Infra-red rays Gamma rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism at the centre of a bar magnet is minimum minimum or maximum maximum zero minimum minimum or maximum maximum zero ANSWER DOWNLOAD EXAMIANS APP
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