Physics Rainbow is due to refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ionisation of water deposits ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against Infra-red rays Ultra-violet rays X-rays Gamma rays Infra-red rays Ultra-violet rays X-rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of electrical power is Bolt Ampere Watt Kilowatt hour Bolt Ampere Watt Kilowatt hour ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Photoelectric emission Nuclear fission Nuclear fusion Thermionic emission Photoelectric emission Nuclear fission Nuclear fusion Thermionic emission ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 7 3 5 6 7 3 5 6 ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It is very hard It has a very high transparency It has a very high refractive index It has well defined cleavage planes It is very hard It has a very high transparency It has a very high refractive index It has well defined cleavage planes ANSWER DOWNLOAD EXAMIANS APP