Question

please give the readings of sonometer experiment to find relation betweeen frequncy and length of the wire

Answer 1

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✔Ans = Place the sonometer on the table.Make sure that the pulley is frictionless. If you feel any friction, oil them.Stretch the wire by placing a suitable maximum load on the weight hanger.Move the wooden bridges outward, so that the length of wire between the bridges is maximum.Take a tuning fork of known frequency. Make it vibrate by strike its prong with a rubber pad. Bring it near the ear.Pluck the sonometer wire and leave it to vibrate. Compare the sounds produced by tuning fork and sonometer wire. (Sound which has low pitch has less frequency).

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Answer 2

✔Ans = Place the sonometer on the table.Make sure that the pulley is frictionless. If you feel any friction, oil them.Stretch the wire by placing a suitable maximum load on the weight hanger.Move the wooden bridges outward, so that the length of wire between the bridges is maximum.Take a tuning fork of known frequency. Make it vibrate by strike its prong with a rubber pad. Bring it near the ear.Pluck the sonometer wire and leave it to vibrate. Compare the sounds produced by tuning fork and sonometer wire. (Sound which has low pitch has less frequency).