Home Physics Wave and Sound All Topic Question for Revision Test The frequency of a sonometer wire is f. The …
Physics Wave and Sound All Topic Question for Revision Test MCQ (Single Correct)

The frequency of a sonometer wire is f. The frequency becomes f/2 when the mass producing the tension is completely immersed in water and on immersing the mass in a certain liquid, frequency becomes f/3. The relative density of the liquid is

A
1.32
B
1.03
C
1.41
D
1.18

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Text Solution

Verified by Experts
The correct answer is:
D

Frequency

… (i)

In second case,

… (ii)

From Eqs. (i) and (ii), we get

Now, upthrust is in the ratio of relative density.

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