Physics Which of the following property of sound is affected by change in air temperature? Frequency Intensity Wavelength Amplitude Frequency Intensity Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Light from Sun reaches Earth in approximately 12 minutes 10 minutes 8 minutes 3 minutes 12 minutes 10 minutes 8 minutes 3 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The greenhouse effect The heat emitted by the engine The double layered wind shield The good conducting power of the metal body The greenhouse effect The heat emitted by the engine The double layered wind shield ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A circle A parabola A vertical straight line A horizontal straight line A circle A parabola A vertical straight line A horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
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