Oscillations - Result Question 46

50. Two springs of spring constants k1 and k2 are joined in series. The effective spring constant of the combination is given by

[2004]

(a) k1k2/(k1+k2)

(b) k1k2

(c) (k1+k2)/2

(d) k1+k2

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Answer:

Correct Answer: 50. (a)

Solution:

(a) 1keq=1k1+1k21keq=k1+k2k1k2

keq=k1k2k1+k2



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