Engineering Board Exam Reviewer · Physics · easy
The range of frequencies audible to the normal human ear is approximately:
- 0 Hz to 2000 Hz
- 200 Hz to 200,000 Hz
- 20 Hz to 20,000 Hz
- 2 Hz to 2000 Hz
Answer
C. 20 Hz to 20,000 Hz
Solution
Below 20 Hz: infrasonic; above 20 kHz: ultrasonic.
More Physics questions
- The pitch of a sound is determined by its:
- The loudness of sound is most closely related to its:
- The apparent change in frequency due to relative motion between a source and an observer is called the:
- The speed of sound in air at about 20 °C is approximately:
- A wave in which the particles of the medium vibrate parallel to the direction of wave propagation is a:
- The period of a simple pendulum (small oscillations) depends on:
- Simple harmonic motion occurs when the restoring force is:
- The value of the universal gravitational constant G is approximately:
- Kepler's third law states that the square of a planet's orbital period is proportional to:
- Kepler's first law states that planets move in: