Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photoconductive effect Photoelectric effect Photovoltaic effect Photosynthesis Photoconductive effect Photoelectric effect Photovoltaic effect Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour of light shows maximum deviation when passed through a prism ? Red White Green Violet Red White Green Violet ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Chemical energy Electrical energy Potential energy Heat energy Chemical energy Electrical energy Potential energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. 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 directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only II Only I and III All are correct Only III Only II Only I and III All are correct Only III ANSWER DOWNLOAD EXAMIANS APP
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