Physics A small gap is left at the joints of rails in a railway track to 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 Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 1 100 0.5 50 1 100 0.5 50 ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of the human body (dry condition) is of the order of 103 Ohm 101 Ohm None of these 102 Ohm 103 Ohm 101 Ohm None of these 102 Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Wilhelm Rontgen Pierre Curie Marie Curie Ernest Rutherford Wilhelm Rontgen Pierre Curie Marie Curie Ernest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Diffusion of ink through the blotting Capillary action phenomenon Siphon action Viscosity of ink Diffusion of ink through the blotting Capillary action phenomenon Siphon action Viscosity of ink ANSWER DOWNLOAD EXAMIANS APP
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