Physics A man jumping out of a moving train is thrown Sideways Backward None of these Forward Sideways Backward None of these Forward ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Peltier effect Seebeck effect Thomson effect Joule effect Peltier effect Seebeck effect Thomson effect Joule effect ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Has a very low specific heat Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has a very low specific heat Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Einstein Galileo Newton Romer Einstein Galileo Newton Romer ANSWER DOWNLOAD EXAMIANS APP
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