In the adjacent figure, if the incline plane is smooth and the springs are identical, then the period of oscillation of this body is
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(a)
Formula for Time period
$T=2 \pi \sqrt{\frac{m}{K_{n=t}}}$
$K_{\text {nut }}=K+K=2 K$
Substituiting we get
$T=2 \pi \sqrt{\frac{\pi}{2 K}}$
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