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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 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 Of higher pitch when train departs ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Subsonic Infrasonic Audible Ultrasonic Subsonic Infrasonic Audible Ultrasonic ANSWER DOWNLOAD EXAMIANS APP