Physics A fountain pen works on the principle of Viscosity of liquids Flow of liquids from higher to lower potential Capillary action Bernoulli's principle Viscosity of liquids Flow of liquids from higher to lower potential Capillary action Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
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 tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A transformer A capacitor A resistor An inductor A transformer A capacitor A resistor An inductor ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface energy Surface tension Adhesive force Viscosity Surface energy Surface tension Adhesive force Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A load A step down device A thermopile A safety device A load A step down device A thermopile A safety device ANSWER DOWNLOAD EXAMIANS APP
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