Two sprin8s, of force constants k1, and k2, are connected to a mass m as shown. The frequency of oscillation of the mass is f. If both k1 and k2, are madefour times their original values, the frequency of oscillation becomes
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a
4f
b
2f
c
f/2
d
f/4
answer is B.
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Detailed Solution
We know thatÏ2=k1+k2m â´ 4Ï2f2=k1+k2m f=12Ïk1+k2 m as k1 and k2 are increased four times, hence frequency becomes two times.
Two sprin8s, of force constants k1, and k2, are connected to a mass m as shown. The frequency of oscillation of the mass is f. If both k1 and k2, are madefour times their original values, the frequency of oscillation becomes