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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Function of transmitter in a $SONAR$ is to:
  • A
    Produce infrasonic waves
  • B
    Convert the reflects ultrasonic waves into electrical signals
  • ✓
    Produce and transmits ultrasonic waves
  • D
    All the above
✓

Answer

Correct option: C.
Produce and transmits ultrasonic waves

Transmitter produces and transmits ultrasonic waves of very high frequency and detector converts the reflected ultrasonic waves into electric signals.

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