Sound
ICSE · Class 10 · Physics
All formulas from Sound in ICSE Class 10 Physics. Key equations, constants, and identities for board exam preparation.
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1. Sound Waves and Basic Terms
v=f × λ
f=1/T
Speed of sound in air = 330 m/s
2. Reflection of Sound, Echo and Reverberation
t = 2d/v
d = vt/2
d = 340 × 0.1 / 2 ≈ 17 m
3. Speed of Sound in Air and Gas
v = √□
Speed of sound = total distance / total time = 2d/t
v = 1400 × t / 2
4. Uses of Echo and Applications
d = vt/2
R = ct/2
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