Physics Mica is used in electrical appliances such as electric iron because mica is a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and dry Cool and dry Cool and moist Warm and moist Warm and dry Cool and dry Cool and moist Warm and moist ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Barometer Hygrometer Sonometer Hydrometer Barometer Hygrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Water Glycerine Glass Air Water Glycerine Glass Air ANSWER DOWNLOAD EXAMIANS APP
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