Physics Among the following materials sound travels fastest in Vacuum Air Water Steel Vacuum Air Water Steel ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is/are part of the Classical Physics? Optics None Thermodynamics Both a and b Optics None Thermodynamics Both a and b ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Rectifier Amplifier Regulator Switch Rectifier Amplifier Regulator 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 Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics A fountain pen works on the principle of Bernoulli's principle Flow of liquids from higher to lower potential Viscosity of liquids Capillary action Bernoulli's principle Flow of liquids from higher to lower potential Viscosity of liquids Capillary action ANSWER DOWNLOAD EXAMIANS APP
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