Assertion : A spring of force constant $k$ is cut into two pieces having lengths in the ratio 1 : 2. The force constant of series combination of the two parts is $$\frac{3 k}{2}$$.
Reason : The spring connected in series are represented by $$k=k_1+k_2$$
- ABoth assertion and reason are true and reason is the correct explanation of assertion
- BBoth assertion and reason are true but reason is not the correct explanation of assertion
- CAssertion is true but reason is false
- DBoth assertion and reason are false.
✓ Correct answer: D
Want the full step-by-step reasoning?