Physics Every hot object emits ________ Infrared rays Ultraviolet rays Visible light X–rays Infrared rays Ultraviolet rays Visible light X–rays ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Reflection Radiation Convection Conduction Reflection Radiation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Eraser Laser Maser Grazer Eraser Laser Maser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a valid conservation law of classical physics? Law of conservation of angular momentum Law of conservation of energy Law of conservation of current Law of conservation of charge Law of conservation of angular momentum Law of conservation of energy Law of conservation of current Law of conservation of charge ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall in front of him Fall into his hand Fall behind him None of these Fall in front of him Fall into his hand Fall behind him None of these ANSWER DOWNLOAD EXAMIANS APP
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