Physics Which type of mirror is used in the head lights of vehicles ? Parabolic mirror Concave mirror Convex mirror Plane mirror Parabolic mirror Concave mirror Convex mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Kinetic energy Potential energy Motional energy Rotational energy Kinetic energy Potential energy Motional energy Rotational energy ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect Both A & B Magnets Electromagnets None of these Both A & B Magnets Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 6 units 60 units 0.6 units 600 units 6 units 60 units 0.6 units 600 units 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 Both suffer the same change in momentum The rubber ball suffers greater change in momentum The metal 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 rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very wide temperature range of operations Very low power consumptions Instability due to negative resistance Extremely high frequency response Very wide temperature range of operations Very low power consumptions Instability due to negative resistance Extremely high frequency response ANSWER DOWNLOAD EXAMIANS APP