Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Heat energy Potential energy Electrical energy Chemical energy Heat energy Potential energy Electrical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 2 0.5 1 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Hygrometer Barometer Sonometer Hydrometer Hygrometer Barometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Kelvin Galileo Fahrenheit Celsius Kelvin Galileo Fahrenheit Celsius ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Non-magnetic Ferromagnetic Diamagnetic Paramagnetic Non-magnetic Ferromagnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
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