Physics The atmospheric layer reflecting radio waves is called Ionosphere Mesosphere Ozonosphere Stratosphere Ionosphere Mesosphere Ozonosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Reflecting radio waves and makes radio communication possible Absorbing UV radiations Absorbing cosmic ray particles Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing UV radiations Absorbing cosmic ray particles Regulating the temperature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics When heated from 0 to 100oC volume of a given mass of water will : Decrease gradually Increase and then will decrease Decrease and then will increase Increase gradually Decrease gradually Increase and then will decrease Decrease and then will increase Increase gradually ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Helium Lithium Hydrogen Oxygen Helium Lithium Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics The cooling by a desert Cooler is based on: Air dehydration Air Rehydration Hot air replacement Evaporative Cooling Air dehydration Air Rehydration Hot air replacement Evaporative Cooling ANSWER DOWNLOAD EXAMIANS APP
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