Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current is constant Photo current increases with voltage Photo current decreases with voltage Photo electric emission is not possible Photo current is constant Photo current increases with voltage Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 20 Hz 5 Hz 15 Hz 32 Hz 20 Hz 5 Hz 15 Hz 32 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle Otto-cycle Boyle's-cycle Diesel-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Nickel Aluminium Lead Wood Nickel Aluminium Lead Wood ANSWER DOWNLOAD EXAMIANS APP
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