Physics Plants are dried up in winter due to frost because There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature Evaporation does not take place There is mechanical loss of tissues and drought condition prevails Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature Evaporation does not take place ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Rain Storm Cold weather Fair weather Rain Storm Cold weather Fair weather ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Oscillator Amplifier Rectifier None of these Oscillator Amplifier Rectifier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
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