Physics The device which converts sound energy into electrical energy is called Amplifier Speaker Microphone Transmitter Amplifier Speaker Microphone Transmitter ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Voltage Current Power Resistance Voltage Current Power Resistance ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases Decreases Increases No change First increases and than decreases Decreases Increases No change ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Refract light of different colours Transmit or absorb light of different colours Dispense light into component colours Reflect lights of different colours Refract light of different colours Transmit or absorb light of different colours Dispense light into component colours ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed less than the speed of sound of sound of light greater than the speed of sound less than the speed of sound of sound of light greater than the speed of sound ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Newton's second law Newton's third law Law of inertia Pascal's law Newton's second law Newton's third law Law of inertia Pascal's law ANSWER DOWNLOAD EXAMIANS APP
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