Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Hydro-electric power is a: Renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource Renewable natural resource A mixture of renewable and non-renewable natural resource Neither renewable nor non renewable resource non-renewable natural resource ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Towards you Both A & B Away from you None of these Towards you Both A & B Away from you None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Coherent and non-monochromatic Non-coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Zero Constant Infinite Increasing Zero Constant Infinite Increasing ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec ANSWER DOWNLOAD EXAMIANS APP