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Mechanical Properties Of Fluids

Question
CBSEENPH11019269

A spring pendulum oscillates with frequency f. If we cut a part of spring and then again disturb, how does the frequency of oscillation change?

Solution
Frequency of oscillation of spring pendulum is,
                      
straight f equals fraction numerator 1 over denominator 2 straight pi end fraction square root of straight k over straight m end root
If we cut a part of spring, the spring constant of the rest of the part of the spring will increase.
Therefore, the frequency of oscillation will increase.