Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low melting point Low work function Low resistance High melting point Low melting point Low work function Low resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life increase its electrical conductivity increase its electrical resistivity enable it to withstand higher voltages increase its life ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It stops due to malfunctioning It is ready to produce controlled energy It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It stops due to malfunctioning It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Heat energy Chemical energy Electrical energy Potential energy Heat energy Chemical energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A virtual image A real image An image type which depends on lens curvature An image type which depends on object characteristics A virtual image A real image An image type which depends on lens curvature An image type which depends on object characteristics ANSWER DOWNLOAD EXAMIANS APP
Physics In the remote control of television, electromagnetic waves used are Radiowave Infrared Microwave Ultraviolet Radiowave Infrared Microwave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
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