`S_(1)`: Sound travel faster in water than in air. `S_(2)`: The fundamental frequency of closed organ pipe increases if its diameter is increased. `S_(3)`: Beats are created by superposition of two sound waves with the same amplitude moving in same directions with slightly different frequncies.
A
TFT
B
FTT
C
FTF
D
TFF
Text Solution
Verified by Experts
The correct Answer is:
A
Beats are produced when wave move in the same direction . `upsilon_(f)=v/(4(l+epsilon))=v/(4(l+0.3d))` where d is diameter of pipe so, `upsilon` decreases. velocity `=sqrt(B/(rho))` where `rho` is a density of fluid
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