Ultrasonic have__________________?

Related Mcqs:

The velocity of sound is greatest in___________________?

A. Water B. air C. copper D. ammonia...

If stretching force T of wire increases, then its frequency __________________?

A. decreases B. increases C. remains the same D. any of above...

It is possible to distinguish between transverse and longitudinal waves form the property of __________________?

A. refraction B. polarization C. interference D. diffraction...

In open organ pipe___________________?

A. only even harmonics are present B. only odd harmonics are present C. both even and odd harmonics are present D. selected harmonics are present...

Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?

A. Longitudinal B. Transverse C. Periodic D. both A and C...