Physics Sound waves do not show the phenomenon of Polarisation Interference Diffraction Refraction Polarisation Interference Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics The quantity that is not conserved in an inelastic collision is All of these Total Energy Momentum Kinetic Energy All of these Total Energy Momentum Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Does not depend on temperature Decreases with decrease of temperature Decreases with increase of temperature Increases with decrease of temperature Does not depend on temperature Decreases with decrease of temperature Decreases with increase of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The aperture Size of the camera The exposure time The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Helps the engine in keeping the speed uniform Accelerates the speed of the engine Gives strength to the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Accelerates the speed of the engine Gives strength to the engine Decreases the moment of inertia ANSWER DOWNLOAD EXAMIANS APP