Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Will increase Does not change Will decrease Varies with the increase of depth of the immersion of the iron piece Will increase Does not change Will decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Solids Vaccum Liquids Gases Solids Vaccum Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of electrical power is Ampere Watt Bolt Kilowatt hour Ampere Watt Bolt Kilowatt hour ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement depends on gravitational force? Weight Height All of these Mass Weight Height All of these Mass ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ X–rays Ultraviolet rays Visible light Infrared rays X–rays Ultraviolet rays Visible light Infrared rays ANSWER DOWNLOAD EXAMIANS APP
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