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Chapter 5: Problem 11

For each of the questions, four choices have been provided. Select the correct alternative. The vibrations of a turning fork are in nature. (1) oscillatory (2) periodic (3) Both (1) and (2) (4) None of these

Short Answer

Expert verified
Answer: The vibrations of a tuning fork are both oscillatory and periodic.

Step by step solution

01

Define Oscillatory Motion

Oscillatory motion refers to a motion that moves back and forth periodically around a fixed point. In such motion, an object moves to and fro, repeatedly passing through its equilibrium (or rest) position.
02

Define Periodic Motion

Periodic motion is a motion that repeats itself in a regular pattern, such as a wave or a rotating object. The time it takes for the motion to complete one cycle is called the period.
03

Understand the vibrations of a tuning fork

A tuning fork is a metal device that, when struck, produces sound waves as it vibrates. As the tines of the tuning fork move back and forth, they create oscillating pressure waves in the air. This oscillating motion of the tines allows the tuning fork to produce a specific and constant pitch. The tines' motion is both oscillatory (because it moves back and forth around a fixed position) and periodic (because it repeats in a regular pattern).
04

Choose the correct answer

Comparing the definitions and understanding the nature of tuning fork vibrations, we can now select the right alternative: (3) Both (1) and (2) - The vibrations of a tuning fork are both oscillatory and periodic.

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Most popular questions from this chapter

(a) What are the higher units of frequency? (b) How is noise pollution determined at a given place? (c) Name some sound absorbing materials.

Which of the following statements is correct? (1) All vibrations produce sound. (3) Vibrations of frequency more than \(20 \mathrm{~Hz}\) only produce sound. (4) Vibrations of frequency between \(20 \mathrm{~Hz}\) and \(20,000 \mathrm{~Hz}\) only produce sound.

What is the SI unit of frequency?

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A body completes 50 oscillations in \(20 \mathrm{~s}\). What is the frequency?
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