The device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects is called:
A. RADAR
B. MASER
C. CRO
D. SONAR
Answer: Option D
This Question Belongs to Physics GK Chapter Wise >> Sounds Waves And Motion
Related Questions on Sounds waves and Motion
Which of the following substances will have the lowest speed of sound?
A. Water
B. Steel
C. Glasss
D. Air
What is the approximate range of sound for humans?
A. 20Hertz to 2000 Hertz
B. 20Hertz to 200Hertz
C. 20 Hertz to 20000 Hertz
D. 2 Hertz to 2000 Hertz
Loudness of sound depends upon which of the following?
A. Frequency
B. Wavelength
C. Amplitude
D. Overtones
A. On land
B. In air
C. In space
D. Underwater
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