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 Of higher pitch when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Very low power consumptions Extremely high frequency response Very wide temperature range of operations Instability due to negative resistance Very low power consumptions Extremely high frequency response Very wide temperature range of operations ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ None of these Series Parallel Mixed arrangement None of these Series Parallel Mixed arrangement ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 0 J 400 J 100 J 200 J 0 J 400 J 100 J 200 J ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Distance Time Velocity Speed Distance Time Velocity Speed ANSWER DOWNLOAD EXAMIANS APP
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