Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 0.01 1 × 1010 1 × 10–10 0.001 0.01 1 × 1010 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Amplifier Microphone Speaker Transmitter Amplifier Microphone Speaker Transmitter ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Is not brittle Has no ductile property Has higher elasticity Has lower elasticity Is not brittle Has no ductile property Has higher elasticity Has lower elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Water Air Steel Vacuum Water Air Steel Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The laws which govern the motion of planets are called ________ Avogadro's laws De Morgan's Laws Kepler's Laws Newton's Laws Avogadro's laws De Morgan's Laws Kepler's Laws Newton's Laws ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water Solar Air All of these Water Solar Air All of these ANSWER DOWNLOAD EXAMIANS APP
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