Physics Optical fibre works on the interference scattering principle of refraction total internal reflection interference scattering principle of refraction total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Gamma rays None of these Alpha rays Beta rays Gamma rays None of these Alpha rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 13.2 km/sec 11.2 km/sec 10.2 km/sec 12.2 km/sec 13.2 km/sec 11.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: hydrogen glass water vacuum hydrogen glass water vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of white light into its components is due to: Dispersion Refraction Reflection Transmission Dispersion Refraction Reflection Transmission ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP