Physics Conversion of sound energy into electrical energy is done by Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker Gramophone Solar cell ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics If an electron and a photon have the same wavelength, then they will have the same Angular momentum Linear momentum Velocity Energy Angular momentum Linear momentum Velocity Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies To the left side of the body Behind his feet At the centre of the body Ahead of his feet To the left side of the body Behind his feet At the centre of the body Ahead of his feet ANSWER DOWNLOAD EXAMIANS APP
Physics Global warming is expected to result in All of these Increase in level of sea Change in coast line Change in crop pattern All of these Increase in level of sea Change in coast line Change in crop pattern ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Convection Conduction Radiation Insolation Convection Conduction Radiation Insolation ANSWER DOWNLOAD EXAMIANS APP