Physics Submerged objects can be located using Quasar Pulsar Sonar Radar Quasar Pulsar Sonar Radar ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Water Wood Steel Air Water Wood Steel Air ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Interference Scattering Refraction Reflection Interference Scattering Refraction Reflection 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 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 Of higher pitch when train departs Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Ultrasonic Infrasonic Subsonic Audible Ultrasonic Infrasonic Subsonic Audible ANSWER DOWNLOAD EXAMIANS APP