Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Refraction Scattering Reflection Interference Refraction Scattering Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler. Law of conservation of energy Newton's third law of motion Law of Inertia Law of conservation of momentum Law of conservation of energy Newton's third law of motion Law of Inertia Law of conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays visible light radio waves ultraviolet light X-rays visible light radio waves ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
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