Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 40J 400J 20 J 200J 40J 400J 20 J 200J ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect 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 intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Pressure Work Density Force Pressure Work Density Force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a transverse wave? All listed here Light waves Radio waves Sound waves All listed here Light waves Radio waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs ANSWER DOWNLOAD EXAMIANS APP
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