Physics The device used for measuring the wavelength of X-rays is G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Burning of coal Burning of diesel Production of steam Flow of water Burning of coal Burning of diesel Production of steam Flow of water ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Solar energy Heat energy Chemical energy Nuclear energy Solar energy Heat energy Chemical energy Nuclear energy ANSWER DOWNLOAD EXAMIANS APP
Physics The cooling by a desert Cooler is based on: Evaporative Cooling Air dehydration Hot air replacement Air Rehydration Evaporative Cooling Air dehydration Hot air replacement Air Rehydration ANSWER DOWNLOAD EXAMIANS APP
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