Ultrasonic waves are produced by making use of -

Related MCQs

• Longitudinal waves and Transverse waves are types of -
• Lognitudinal waves and Transverse waves are types of -
• When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are –
• Sound waves are produced by -
• Which one of the following animals can hear ultrasonic sound?
• Which among the following waves is used for communication by artificial satellites?
• Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______.
• The atmospheric layer reflecting radio waves is called –
• Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface?
• The instrument which uses sound waves to measure the depth of oceans is –