Physics A photo-electric cell converts Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 1 cm 12 cm 6 cm 24 cm 1 cm 12 cm 6 cm 24 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective lens mirror None of these combinations of lenses lens mirror None of these combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
Physics The transport phenomenon occurs only in ________ state of a gas and is ________ Equilibrium, irreversible Equilibrium, reversible Non-equilibrium, irreversible Non-equilibrium, reversible Equilibrium, irreversible Equilibrium, reversible Non-equilibrium, irreversible Non-equilibrium, reversible ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Voltmeter Ammeter Hydrometer Thermocouple Voltmeter Ammeter Hydrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these ANSWER DOWNLOAD EXAMIANS APP
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