Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Control the speed of train Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Control the speed of train Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases slightly Decreases rapidly Decreases slightly Increases to a great extent Increases slightly Decreases rapidly Decreases slightly Increases to a great extent ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 30,000 km 36,000 km None of these 42,000 km 30,000 km 36,000 km None of these 42,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics An athlete runs before long jump to get advantage on Inertia of motion Principle of moments Moment of a force Frictional force Inertia of motion Principle of moments Moment of a force Frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is UV rays Gamma rays Microwave radiation Visible light UV rays Gamma rays Microwave radiation Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Boyle's Law Pascal's Law Bernoulli's principle Hooke's Law Boyle's Law Pascal's Law Bernoulli's principle Hooke's Law ANSWER DOWNLOAD EXAMIANS APP
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