Physics The SI unit for measuring work and energy is Watt Ohm Farad Joule Watt Ohm Farad Joule ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Atmospheric pressure increases Temperature increases Temperature remains constant Vapour pressure decreases Atmospheric pressure increases Temperature increases Temperature remains constant Vapour pressure decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Undergoes least deviation Gives comfort to eye Is least bright Has lowest velocity Undergoes least deviation Gives comfort to eye Is least bright Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal ANSWER DOWNLOAD EXAMIANS APP
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