The length of sonometer wire AB is 110 cm where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequency are in ratio 1:2:3
(30, 90) cm
(40, 80) cm
(60, 90) cm
(30, 60) cm
,
,
Sonometer -
It is a device used to measure velocity of transverse mechanical wave in a stretched wire.
- wherein
The principle of sonometer is based on resonance of string vibration.
Option 1)
(30, 90) cm
This is incorrect
Option 2)
(40, 80) cm
This is incorrect
Option 3)
(60, 90) cm
This is correct
Option 4)
(30, 60) cm
This is incorrect
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