Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will None of these Fall into his hand Fall in front of him Fall behind him None of these Fall into his hand Fall in front of him Fall behind him ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 70 nm 700 nm 7 nm 0.07 nm 70 nm 700 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Surface tension Diffusion Viscosity Capillarity Surface tension Diffusion Viscosity Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Source Speed Medium Amplitude Source Speed Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Becomes infinite Increases Decreases Does not change Becomes infinite Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
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