Physics The device which converts sound energy into electrical energy is called Amplifier Speaker Transmitter Microphone Amplifier Speaker Transmitter Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Photovoltaic cell Photodiode Thermocouple Heliostats Photovoltaic cell Photodiode Thermocouple Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel ANSWER DOWNLOAD EXAMIANS APP
Physics In nuclear reactor, heavy water is used as Coolant Fuel Atomic smasher Moderator Coolant Fuel Atomic smasher Moderator ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A fountain pen A ring A cricket ball A book A fountain pen A ring A cricket ball A book ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43889 43886 43887 43884 43889 43886 43887 43884 ANSWER DOWNLOAD EXAMIANS APP
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