Physics Velocity of sound in air does not change with the change of Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Diffraction No option is correct Refraction Propagation Diffraction No option is correct Refraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics The tidal waves on sea is mainly due to None of these Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth Gravitational Effect of Earth on Moon None of these Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth Gravitational Effect of Earth on Moon ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Refraction of light Scattering of light Dispersion of light Reflection of light Refraction of light Scattering of light Dispersion of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls In front of him Into his hand By his side Behind him In front of him Into his hand By his side Behind him ANSWER DOWNLOAD EXAMIANS APP
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