Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Nitrogen Ozone Helium Oxygen Nitrogen Ozone Helium ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Work and Power Force and Power Work and Energy Momentum and Power Work and Power Force and Power Work and Energy Momentum and Power ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light visible light X-rays radio waves ultraviolet light visible light X-rays radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 11.2 km/sec 10.2 km/sec 13.2 km/sec 12.2 km/sec 11.2 km/sec 10.2 km/sec 13.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are transverse electromagnetic polarised longitudinal transverse electromagnetic polarised longitudinal ANSWER DOWNLOAD EXAMIANS APP