Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Formation of impure spectra Formation of pure spectra Persistence of vision Principle of complementary colour Formation of impure spectra Formation of pure spectra Persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its amplitude wavelength frequency velocity amplitude wavelength frequency velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very wide temperature range of operations Very low power consumptions Instability due to negative resistance Extremely high frequency response Very wide temperature range of operations Very low power consumptions Instability due to negative resistance Extremely high frequency response ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirror used in automobiles to see the traffic on the rear side is Plane Concave Plano-Convex Convex Plane Concave Plano-Convex Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Salt water Fresh water Mercury Petrol Salt water Fresh water Mercury Petrol ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 20 J 200J 40J 400J 20 J 200J 40J ANSWER DOWNLOAD EXAMIANS APP