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Chapter 6 of 7
Revision Notes

Sound

ICSE · Class 7 · Physics

Quick revision notes for Sound — ICSE Class 7 Physics. Key concepts, formulas, and definitions for last-minute revision.

70 questions38 flashcards5 concepts

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Key Topics to Revise

1

7. Solved-style numerical ideas

  • If sound travels 660 m in 2 s, its speed is 330 m/s.
  • If thunder is heard 2.5 s after lightning and speed of sound is 330 m/s, the distance is 825 m.
  • If sound travels 1360 m in 4 s, its speed is 340 m/s.

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Full Notes

Key Concepts

Sound is produced when a bodyVibratory motion is an oscillatory motionA tuning fork is a UThe larynx is also calledSound cannot travel through a vacuum

Frequently Asked Questions

What are the important topics in Sound for ICSE Class 7 Physics?
Sound covers several key topics that are frequently asked in ICSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sound — ICSE Class 7 Physics?
Understand the core concepts first, then work through the 70 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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