Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. 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 product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. 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 If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is: Convex mirror Plano-concave mirror Plane mirror Concave mirror Convex mirror Plano-concave mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension Egg absorbs salt from the solution and expands ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is an ohmic conductor? Germanium Carbon Silver Silicon Germanium Carbon Silver Silicon ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Both B & C Crest and Trough Trough and Trough Crest and Crest Both B & C Crest and Trough Trough and Trough Crest and Crest ANSWER DOWNLOAD EXAMIANS APP
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