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