Physics Among the following materials sound travels fastest in Steel Water Vacuum Air Steel Water Vacuum Air ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Ammonia Oxygen Freon Nitrogen Ammonia Oxygen Freon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Double Same Decreases Increases Double Same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air ANSWER DOWNLOAD EXAMIANS APP
Physics Heat stored in water vapour is Specific heat Latent heat Relative heat Absolute heat Specific heat Latent heat Relative heat Absolute heat ANSWER DOWNLOAD EXAMIANS APP
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