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Using & Understanding Mathematics: A Quantitative Reasoning Approach 7th Edition

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

Book Edition7th Edition
Author(s)Bennett, Briggs
ISBN9780134705187
PublisherPearson Higher Education
SubjectMath

Chapter 11, Section 11A, Quick Quiz 11A, Exercise 1

Page 628

Here is a tip:

Use the definition of sound.

Explanation

  • Sound is a kind of energy that is produced by vibrations.
  • When an object vibrates, it produces movement in the molecules present in the air. 
  • The vibrations propagate from one molecule to another and produce vibrations in nearby molecules, which produce a musical sound.
  • It implies that musical sounds are produced by vibrating objects. Hence, option (b) is correct.

Verified Answer

(b);

Sound is a kind of energy which is produced by vibrations.

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