Physics Which type of radiation has the lowest penetrating ability? Gamma Beta All of these Alpha Gamma Beta All of these Alpha ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A horizontal straight line A parabola A vertical straight line A circle A horizontal straight line A parabola A vertical straight line A circle ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. 5 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ P-N Juction diode Photo diode Tunnel diode Schottky diode P-N Juction diode Photo diode Tunnel diode Schottky diode ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Surface Poles Equator Centre of earth Surface Poles Equator Centre of earth ANSWER DOWNLOAD EXAMIANS APP