Physics Conversion of sound energy into electrical energy is done by Gramophone Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The blue ray The violet ray The red ray The green ray The blue ray The violet ray The red ray The green ray ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Mie scattering Rayleigh scattering Back scattering None of these Mie scattering Rayleigh scattering Back scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Unchanged Decreases Increases Depends upon the metal Unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Viscosity Boyle's Law Surface tension Gravitational force Viscosity Boyle's Law Surface tension Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Switch Amplifier Regulator Rectifier Switch Amplifier Regulator ANSWER DOWNLOAD EXAMIANS APP
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