A) 1100 Hz
B) 1000 Hz
C) 166 Hz
D) 100 Hz
Correct Answer: B
Solution :
[b] Total length of sonometer wire, |
Length of wire is in ratio, 6 : 3 : 2 i.e. 60 cm, 30 cm, 20 cm. |
Tension in the wire, T = 400 N |
Mass per unit length, m = 0.01 kg |
Minimum common frequency = ? |
As we know, |
Frequency, |
Similarly, |
Hence common frequency = 1000 Hz |
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