Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Away from electrical wiring All listed here Near iron Near magnet Away from electrical wiring All listed here Near iron Near magnet ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. Less pressure than dry air. Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. Less density than dry air. More pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Plants are dried up in winter due to frost because Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Respiration does not take place at low temperature Photosynthesis does not take place at such low temperature There is mechanical loss of tissues and drought condition prevails Evaporation does not take place Respiration does not take place at low temperature ANSWER DOWNLOAD EXAMIANS APP
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