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Study of Sound

Maharashtra Board · Class 9 · Science

Practice quiz for Study of Sound — Maharashtra Board Class 9 Science. MCQs and questions with answers to test your preparation.

45 questions28 flashcards5 concepts

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Quick Quiz: Study of Sound

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1

What type of waves are sound waves?

2

The formula for velocity of sound is:

3

Sound travels fastest in:

4

What is the audible range of human hearing?

45 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which mediums can sound travel through?

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Solids, Liquids, Gases

Sound requires a material medium to travel. It can propagate through solids, liquids, and gases but cannot travel through vacuum as there are no particles to vibrate.

2multiple correct

Which factors affect the velocity of sound in gases?

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Temperature, Density, Molecular weight

Sound velocity in gases depends on temperature (directly), density (inversely), and molecular weight (inversely). Color and pressure at constant temperature don't affect it.

3multiple choice

Infrasound has frequency:

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Below 20 Hz

Infrasound refers to sound waves with frequencies below 20 Hz, which are below the human audible range.

4multiple choice

An echo is heard when sound is:

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Reflected

An echo is produced when sound waves are reflected from a surface back to the listener, creating a repetition of the original sound.

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Frequently Asked Questions

What are the important topics in Study of Sound for Maharashtra Board Class 9 Science?
Study of Sound covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Study of Sound — Maharashtra Board Class 9 Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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