Physics Supersonic plane fly with the speed of light of sound less than the speed of sound greater than the speed of sound of light of sound less than the speed of sound greater than the speed of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound aircraft ships spacecraft sound aircraft ships spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat 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 moves in opposite direction in which the air is blown moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are quasars asteroids novas and supernovas binaries quasars asteroids novas and supernovas binaries ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS