Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Regulator Switch Amplifier Rectifier Regulator Switch Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Mechanical energy Electrical energy Light energy Heat energy Mechanical energy Electrical energy Light energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Modern vehicles use electroignition system Metal reflects radiowaves Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air does not absorb sound Sound travels faster in moist air Sound travels slowly in moist air Moist air absorbs sound Moist air does not absorb sound Sound travels faster in moist air Sound travels slowly in moist air Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Johannes Kepler Martin Luther Copernicus Galileo Johannes Kepler Martin Luther Copernicus ANSWER DOWNLOAD EXAMIANS APP
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