A sound wave with a low frequency will have _______.

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RRB JE CE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. a low amplitude
  2. a short wavelength 
  3. a high pitch
  4. a low pitch

Answer (Detailed Solution Below)

Option 4 : a low pitch
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The correct answer is a low pitch.

Key Points

  • A sound wave with a low frequency will produce a low pitch.
  • The pitch of a sound is directly related to its frequency: higher frequencies produce higher pitches, while lower frequencies result in lower pitches.
  • In musical terms, a low-frequency sound might be similar to the sound of a bass guitar or a tuba.
  • This principle is fundamental to understanding how different musical instruments produce different sounds.
  • The human ear can generally detect frequencies from about 20 Hz to 20,000 Hz, with lower frequencies being perceived as lower pitched.
  • Low-frequency sounds are often used in various applications such as subwoofers in audio systems to enhance bass sounds.

 Additional Information

  • Low amplitude
    • Amplitude refers to the height of the sound wave and is related to the loudness of the sound.
    • A sound wave with low amplitude will be quieter, not necessarily lower in pitch.
  • Short wavelength
    • Wavelength is inversely related to frequency. A low frequency actually corresponds to a long wavelength, not a short one.
  • High pitch
    • A high pitch sound is produced by a high frequency sound wave, which is the opposite of a low-frequency sound wave.
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