Physics Railway tracks are banked on curves the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Momentum Work Energy Inertia Momentum Work Energy Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Decibel Tesla Heartz Newton Decibel Tesla Heartz Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Yellow Violet Red White Yellow Violet Red White ANSWER DOWNLOAD EXAMIANS APP
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