Physics Conversion of sound energy into electrical energy is done by Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell Loudspeaker Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is shut down to avoid explosion It is ready to produce controlled energy It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is shut down to avoid explosion It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Microwave Audible wave Ultrasonic wave Infrasonic wave Microwave Audible wave Ultrasonic wave Infrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Momentum Energy Power Angular momentum Momentum Energy Power Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. It is difficult to clean daily. ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
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