Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low work function Low melting point High melting point Low resistance Low work function Low melting point High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is a bad conductor of heat Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Upward thrust due to air Viscous force exerted by air Surface tension Air current Upward thrust due to air Viscous force exerted by air Surface tension Air current ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The bell jar breaks up The mercury level starts rising The mercury level does not change The mercury level starts falling The bell jar breaks up The mercury level starts rising The mercury level does not change The mercury level starts falling ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Silver Aluminium Copper Iron Silver Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Physics For which Diode is used ? Purification Modulation Oscillation Amplification Purification Modulation Oscillation Amplification ANSWER DOWNLOAD EXAMIANS APP
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