Sonometer relation between frequency and the length, GSEB physics practical std 11 & 12

Sonometer

Sonometer

AIM :-

To study the relation between frequency and the length of a stretched string with the help of a sonometer.

PRECAUTIONS

1  The wire should be of uniform cross-section and there should not be any twist or bend in it.

2   The pulley should rotate without friction.

3   Put that much weight  in the pan so that the deformation produced in the wire should not exceed the elastic limit.

4   The stem of the tuning fork, not its prongs, should be placed on the sonometer box or on the support.

Apparatus:-  A sonometer,  tuning forks ( of frequencies from 256 Hz – 512 Hz),  a pan or a hanger of known weight,  four to five 500 gm weights, a paper rider, a rubber-pad and a meter rule. 

Sonometer Apparatus

Sonometer Practical

OBSERVATION TABLE

Sonometer reading

Sonometer Graph

For more details View Video.

To study the relation between frequency and the length of a stretched string with the help of a sonometer.

Sonometer find the frequency of alternating current, GSEB std 11 & 12 Physics practical

Sonometer

Sonometer

AIM :-

To find the frequency of the alternating current with the help of a sonometer.

PRECAUTIONS

1  It  is not advisable to use sonometer wire made of iron or any other magnetic materials.

2  The measurement of radius of the wire should be carried out precisely.

3  The transformer key should be switched off after every observation.

4  The wire should be kept exactly in the middle between the magnetic poles.

5  The wire should be of uniform cross-section and it should not have a twist or a bend.

Sonometer apparatus

Apparatus  :- A sonometer, horse-shoe magnet, a transformer, a pan, weights and a 

micrometer screw.

Sonometer practical

OBSERVATION TABLE

\ Average  √T/L =                        . 

For more details View Video

To find the frequency of the alternating current with the help of a sonometer.