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 The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Cathode ray oscilloscope Sonometer Spectrometer P – n junction diode Cathode ray oscilloscope Sonometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls By his side Into his hand Behind him In front of him By his side Into his hand Behind him In front of him ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Ultraviolet radiation Infrared radiation X-ray radiation Visible radiation Ultraviolet radiation Infrared radiation X-ray radiation Visible radiation ANSWER DOWNLOAD EXAMIANS APP
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