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 quantity that is not conserved in an inelastic collision is All of these Momentum Kinetic Energy Total Energy All of these Momentum Kinetic Energy Total Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions they can work during the day and night they can detect faint galaxies which no optical telescope can All of these they can work even in cloudy conditions ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The metal ball suffers greater change in momentum The rubber ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted downwards Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid Shifted downwards Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Capillary action Pressure difference Low viscosity of oil Gravitational force Capillary action Pressure difference Low viscosity of oil Gravitational force ANSWER DOWNLOAD EXAMIANS APP