Physics A photo-electric cell converts Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Solar power plants Batteries Hydro-electric generators All of these Solar power plants Batteries Hydro-electric generators All of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Becomes zero Increases exponentially Remains constant None of these Becomes zero Increases exponentially Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Infrasonic Radio Audible sound Ultrasonic Infrasonic Radio Audible sound Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Increase Remain the same Become zero Decrease Increase Remain the same Become zero Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Transistor Transformer Capacitor Diode Transistor Transformer Capacitor Diode ANSWER DOWNLOAD EXAMIANS APP
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