Question

Select One Option Correct from the following : A sonometer wire resonates with a given tuning fork forming standingwaves with ve antinodes between the two bridges when a mass of 9 kg is suspended from the wire. When this mass is replaced by mass M, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of M is
(A) 25 kg
(B) 5 kg
(C) 12.5 kg
(D) 1/25 kg

Answer 1

c option is correct I think

Answer 2

Select One Option Correct from the following : A sonometer wire resonates with a given tuning fork forming standingwaves with ve antinodes between the two bridges when a mass of 9 kg is suspended from the wire. When this mass is replaced by mass M, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of M is

(A) 25 kg

(B) 5 kg

✴️ (C) 12.5 kg

(D) 1/25 kg