Physics Water cannot be used to extinguish fire caused by electric current, because It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. The atoms are lightly packed. All of these They contain free electrons. They have high melting point. The atoms are lightly packed. All of these They contain free electrons. ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion Conservation of energy Backward thrust of gases produced Newton's third law of motion Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Clarity Graphics Resolution Colour Clarity Graphics Resolution Colour ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on Huyghens' principle The laws of reflection The inverse square law The laws of refraction Huyghens' principle The laws of reflection The inverse square law The laws of refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
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