Physics In a photocell light energy is converted into Chemical energy Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 2 1.2 1.5 1 2 1.2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Temperature Length Area of cross section Resistivity Temperature Length Area of cross section Resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Nitrogen Oxygen Freon Ammonia Nitrogen Oxygen Freon Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following circuit elements is used to ''block" DC in an electronic circuit ? Resistances Capacitance Diode Inductance Resistances Capacitance Diode Inductance ANSWER DOWNLOAD EXAMIANS APP
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