Physics The atmosphere is heated mainly by Convection Radiation Conduction Insolation Convection Radiation Conduction Insolation ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid cools The liquid boils No change The liquid evaporates The liquid cools The liquid boils No change ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Both (A) and (B) Nature of signal only Neither A nor B Nature of medium only Both (A) and (B) Nature of signal only Neither A nor B Nature of medium only ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low air pressure Due to ozone Due to low temperature Due to high humidity Due to low air pressure Due to ozone Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Interference of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Reflection of the sun light from water surface Interference of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Reflection of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
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