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Which pattern in Fig. shows a bass (low frequency) note?

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Question

Which pattern in Fig. shows a bass (low frequency) note?

  1.  
    The image shows a wave pattern within a circular boundary, with vertical dashed lines marking different positions of the wave.

  2.  The image shows an irregular wave pattern inside a circular boundary, with dashed vertical lines marking different positions of the wave.

  3.  The image shows an irregular wave pattern inside a circular boundary, with vertical dashed lines marking different positions along the wave.

Options

  • I

  • II

  • III

  • none of these.

MCQ
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Solution

I

Explanation:

A bass note has a low frequency and therefore a low pitch. Pattern I shows the fewest oscillations in the same time interval, so it represents the bass note.

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Notes

The answer given in the textbook is incorrect.

  Is there an error in this question or solution?
Chapter 3: Sound - Multiple Choice Questions and Assertion-Reason Type Questions [Page 214]

APPEARS IN

Frank Physics Part 2 [English] Class 10 ICSE
Chapter 3 Sound
Multiple Choice Questions and Assertion-Reason Type Questions | Q 23. | Page 214
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