Physics Which of the following device is used to measure humidity? Hydrometer Hygrometer Anemometer Psycho Meter Hydrometer Hygrometer Anemometer Psycho Meter ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound in air is unaffected by change in Volume Humidity Pressure Temperature Volume Humidity Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It rediates heat better than metals It reflects sun's rays It retains the heat inside by the green house effect It absorbs sun's rays It rediates heat better than metals It reflects sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water depends upon the Density Volume Atmospheric pressure Mass Density Volume Atmospheric pressure Mass ANSWER DOWNLOAD EXAMIANS APP
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