Physics What is refractive index ? 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 vacuum to the speed of light in the medium. 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 product of speed of light in medium and in vacuum. None of above 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 ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 32 Hz 15 Hz 5 Hz 20 Hz 32 Hz 15 Hz 5 Hz 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Third law First law Fourth law Second law Third law First law Fourth law Second law ANSWER DOWNLOAD EXAMIANS APP
Physics When does land breeze occur? Winter Hot summer Fall Both A & B Winter Hot summer Fall Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice At the sea level At the top of a mountain Under a mine Same anywhere At the sea level At the top of a mountain Under a mine Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms An image type which depends on lens curvature A virtual image A real image An image type which depends on object characteristics An image type which depends on lens curvature A virtual image A real image An image type which depends on object characteristics ANSWER DOWNLOAD EXAMIANS APP