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