Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Porosity Viscosity Density Elasticity Porosity Viscosity Density Elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 400 J 0 J 200 J 100 J 400 J 0 J 200 J ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Scattering of light Refraction of light Reflection of light Dispersion of light Scattering of light Refraction of light Reflection of light Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Both longitudinal and transverse Waves are not produced Transverse Longitudinal Both longitudinal and transverse Waves are not produced Transverse Longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Ionic forces Gravitational forces Electrical forces Magnetic forces Ionic forces Gravitational forces Electrical forces Magnetic forces ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? X-rays Cosmic rays Radio waves Microwaves X-rays Cosmic rays Radio waves Microwaves ANSWER DOWNLOAD EXAMIANS APP