Physics The phenomenon of change in direction of light when it passes from one medium to another is called Refraction Dispersion Reflection Propagation Refraction Dispersion Reflection Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has well defined cleavage planes It has a very high transparency It has a very high refractive index It is very hard It has well defined cleavage planes It has a very high transparency It has a very high refractive index It is very hard ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Negatively charged particles Positively charged particles None of these Neutral particles Negatively charged particles Positively charged particles None of these Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. directly proportional to inversely proportional to inversely proportional to square of directly proportional to square of directly proportional to inversely proportional to inversely proportional to square of directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics The locomotion of insects to the source of light is called : Hydrotropic Phototactic Thermotactic Phototropic Hydrotropic Phototactic Thermotactic Phototropic ANSWER DOWNLOAD EXAMIANS APP