Physics The SI unit of luminous emittance is : Candela Lumen Lux Lumen second Candela Lumen Lux Lumen second 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? Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves do not show the phenomenon of Interference Polarisation Refraction Diffraction Interference Polarisation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing cosmic ray particles Absorbing UV radiations Reflecting radio waves and makes radio communication possible ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III I and III I and II II and III I, II and III I and III I and II II and III ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
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