Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Total internal reflection of light Regular reflection of light Refraction of light Diffuse reflection of light Total internal reflection of light Regular reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot Distinguish between certain colours Have persistence of vision See distant objects See black colour Distinguish between certain colours Have persistence of vision See distant objects See black colour ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics The slope of a velocity-time graph represents Acceleration Displacement Speed Distance Acceleration Displacement Speed Distance ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It reflects most of the heat from the sun It has a low specific heat capacity It has a high latent heat of fusion It becomes very hard It reflects most of the heat from the sun It has a low specific heat capacity It has a high latent heat of fusion It becomes very hard ANSWER DOWNLOAD EXAMIANS APP
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