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Sound — Revision Notes

ICSE · Class 7 · Physics

Sound revision notes for ICSE Class 7 Physics: 1 topics in quick points. Includes Solved-style numerical ideas. Part of the ICSE Class 7 Physics syllabus.

70 questions38 flashcards6 formulas & key relations5 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?
Key topics in Sound include Sound is produced when a body, Vibratory motion is an oscillatory motion, A tuning fork is a U, The larynx is also called. Study these first, then practise questions on each for Class 7 exams.
How should I revise Sound for Class 7 exams?
Learn the core ideas first, then work through the 70 practice questions on Sound. Revise 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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All ICSE Class 7 Physics Revision Notes

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