Physics Supersonic plane fly with the speed of sound less than the speed of sound of light greater than the speed of sound of sound less than the speed of sound of light greater than the speed of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of aircraft spacecraft sound ships aircraft spacecraft sound ships ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat moves in opposite direction in which the air is blown moves in the same direction in which air blows spins around does not move moves in opposite direction in which the air is blown moves in the same direction in which air blows spins around does not move ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to ionisation of water deposits diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ionisation of water deposits diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are asteroids binaries quasars novas and supernovas asteroids binaries quasars novas and supernovas ANSWER DOWNLOAD EXAMIANS APP
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