Physics The device which converts sound energy into electrical energy is called Speaker Transmitter Microphone Amplifier Speaker Transmitter Microphone Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Copper and Silver Tin and Lead Lead and Copper Tin and Copper Copper and Silver Tin and Lead Lead and Copper Tin and Copper ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. More density than dry air. Less density than dry air. More pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 0 J 200 J 100 J 400 J 0 J 200 J 100 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Fission reaction Chemical reaction Fusion reaction Photo-Chemical reaction Fission reaction Chemical reaction Fusion reaction Photo-Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 60 kHz 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
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