Physics In mirrors the back surface is coated with a thin layer of : Red oxide Mercury Silver nitrate Silver Red oxide Mercury Silver nitrate Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Photoelectric effect Newton's law of Motion Total internal reflection of Light Bernoulli's Principle Photoelectric effect Newton's law of Motion Total internal reflection of Light Bernoulli's Principle ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels slowest in Glass Vacuum Water Air Glass Vacuum Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Gramophone Solar cell Loudspeaker Microphone Gramophone Solar cell Loudspeaker Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 3.6 x 103 J 6.3 x 103 J 3.6 x 10-3 J 6.3 x 10-7 J 3.6 x 103 J 6.3 x 103 J 3.6 x 10-3 J 6.3 x 10-7 J ANSWER DOWNLOAD EXAMIANS APP
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