Physics Forged documents are detected by Infra-red rays Gamma rays Ultraviolet rays Beta rays Infra-red rays Gamma rays Ultraviolet rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of change of linear momentum of a body falling freely under gravity is equal to it's ________ ? Weight Potential Energy Impulse Kinetic Energy Weight Potential Energy Impulse Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has a very low specific heat Has low temperature coefficient of expansion Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Surface tension Diffusion Viscosity Capillarity Surface tension Diffusion Viscosity Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. 15 Km/Sec. 11 Km/Sec. 6 Km/Sec. 5 Km/Sec. 15 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP