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JEE PYQ: Oscillations Question 17

Question 17 - 2021 (26 Feb 2021 Shift 1)

If two similar springs each of spring constant $K_1$ are joined in series, the new spring constant and time period would be changed by a factor:

(1) $\frac{1}{2},, \sqrt{2}$

(2) $\frac{1}{4},, 2\sqrt{2}$

(3) $\frac{1}{2},, 2\sqrt{2}$

(4) $\frac{1}{4},, \sqrt{2}$

Show Answer

Answer: (1)

Solution

Series: $K_{eq} = K_1/2$. $T’ = \sqrt{2},T$.


Learning Progress: Step 17 of 43 in this series