Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal volume Equal mass Equal density Equal weight Equal volume Equal mass Equal density Equal weight ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A spectrometer A polarimeter A fluxmeter A photometer A spectrometer A polarimeter A fluxmeter A photometer ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.084027777777778 0.044444444444444 0.052777777777778 0.16736111111111 0.084027777777778 0.044444444444444 0.052777777777778 0.16736111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Densities Gaps Smoothness Irregularities Densities Gaps Smoothness ANSWER DOWNLOAD EXAMIANS APP
Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Remains same Falls Rises Falls first and then rises Remains same Falls Rises Falls first and then rises ANSWER DOWNLOAD EXAMIANS APP
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