Physics In SONAR which kind of wave is used? Infrasonic Radio Audible sound Ultrasonic Infrasonic Radio Audible sound Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same frequency Same amplitude Same phase All of these Same frequency Same amplitude Same phase All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Becomes zero No change Increases Decreases Becomes zero No change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed of sound greater than the speed of sound of light less than the speed of sound of sound greater than the speed of sound of light less than the speed of sound ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A virtual image An image type which depends on lens curvature An image type which depends on object characteristics A real image A virtual image An image type which depends on lens curvature An image type which depends on object characteristics A real image ANSWER DOWNLOAD EXAMIANS APP
Physics A gradual increase in loudness is known as Crescendo Timbre None of these Fortissimo Crescendo Timbre None of these Fortissimo ANSWER DOWNLOAD EXAMIANS APP
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