Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates least when passing through a Prism Green Red Yellow Blue Green Red Yellow Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Pycnometer is an instrument used to measure the Intensity of solar radiation Density Intensity of earthquake High temperatures Intensity of solar radiation Density Intensity of earthquake High temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force Illusion of the man Gravitational force between train and man Pressure difference due to fast moving air in between The centripetal force ANSWER DOWNLOAD EXAMIANS APP
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