Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid boils No change The liquid cools The liquid evaporates The liquid boils No change The liquid cools ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: All of these They have high melting point. They contain free electrons. The atoms are lightly packed. All of these They have high melting point. They contain free electrons. The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics A gradual increase in loudness is known as None of these Timbre Fortissimo Crescendo None of these Timbre Fortissimo Crescendo ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Air current Upward thrust due to air Surface tension Viscous force exerted by air Air current Upward thrust due to air Surface tension Viscous force exerted by air ANSWER DOWNLOAD EXAMIANS APP