Physics A person does some work of 1,000 J in 2 s. His power will be ________ 25W 500W 1000W 50W 25W 500W 1000W 50W ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to 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 Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Elasticity Density Porosity Viscosity Elasticity Density Porosity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Dispersion Refraction Scattering of shorter wave lengths Reflection Dispersion Refraction Scattering of shorter wave lengths Reflection ANSWER DOWNLOAD EXAMIANS APP
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