In the fig. S1 and S2 are identical springs. The oscillation frequency of mass m is f. If one spring is removed, the frequency will become
A
f
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B
f×2
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C
f×√2
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D
f/√2
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Solution
The correct options are Cf×√2 Df/√2 For the given figure f=12π√keqm=12π√2km .....(i) If one spring is removed, then keq=k and f′=12π√km .....(ii) From equation (i) and (ii), ff′=√2⇒f′=f√2