Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of colors Principle of vaporization Principle of thermal equilibrium Principle of calorimetry Principle of colors Principle of vaporization Principle of thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Diffraction Dispersion Interference Reflection Diffraction Dispersion Interference Reflection 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 : Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The paramagnetic theory of magnetism applies to Iron Platinum Nickel Mercury Iron Platinum Nickel Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : CAT scans X-ray photos Ultrasound scans Endoscopy CAT scans X-ray photos Ultrasound scans Endoscopy ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer is rising air pressure is Decreasing Constant Zero Increasing Decreasing Constant Zero Increasing ANSWER DOWNLOAD EXAMIANS APP
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