Physics Submerged objects can be located using Radar Quasar Sonar Pulsar Radar Quasar Sonar Pulsar 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 Refraction Scattering Reflection Interference Refraction Scattering Reflection Interference 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 Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train arrives Of higher pitch when train departs Of higher intensity when train arrives The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Infrasonic Ultrasonic Audible Subsonic Infrasonic Ultrasonic Audible Subsonic ANSWER DOWNLOAD EXAMIANS APP