The pointer reading \( v / s \) load graph for a spring balance is as given in the figure. The s...

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The pointer reading \( v / s \) load graph for a spring balance is as given in the figure. The spring constant is
(a) \( 0.1 \mathrm{~kg} / \mathrm{cm} \)
(b) \( 5 \mathrm{~kg} / \mathrm{cm} \)
(c) \( 0.3 \mathrm{~kg} / \mathrm{cm} \)
(d) \( 1 \mathrm{~kg} / \mathrm{cm} \)
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