Physics Conversion of sound energy into electrical energy is done by Loudspeaker Gramophone Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic absorption Atomic emission Electron emission Electron absorption Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Mass Gravity Both (A) and (B) Buoyancy Mass Gravity Both (A) and (B) Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Frequency Velocity Displacement Acceleration Frequency Velocity Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Size of picture tube Physical dimension of television screen Velocity of transmitted signal Frequency of transmitted signal Size of picture tube Physical dimension of television screen Velocity of transmitted signal Frequency of transmitted signal ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? White Blue Red Violet White Blue Red Violet ANSWER DOWNLOAD EXAMIANS APP
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