System shown in figure is in equilibrium. The magnitude of change in tension in the string just ...

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System shown in figure is in equilibrium. The magnitude of change in tension in the string just before and just after, when one of the spring is cut. Mass of both the blocks is same and equal to \( \mathrm{m} \) and spring constant of both springs is \( k \). (Neglect any effect of rotation)
(a) \( \frac{m g}{2} \)
(b) \( \frac{m g}{4} \)
(c) \( \frac{3 m g}{4} \)
(d) \( \frac{3 m g}{2} \)
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