Physics Conversion of sound energy into electrical energy is done by Gramophone Loudspeaker Microphone Solar cell Gramophone Loudspeaker Microphone Solar cell ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Sphere Depends on their masses Both reach at the same time Disk Sphere Depends on their masses Both reach at the same time Disk ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Temperature Mass Volume Density Temperature Mass Volume Density ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Transistor Diode Transformer Capacitor Transistor Diode Transformer Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? Mass Both A & B Velocity None of these Mass Both A & B Velocity None of these ANSWER DOWNLOAD EXAMIANS APP