A) \[\frac{16}{7}\frac{m}{\lambda }\]
B) \[\frac{7m}{3\lambda }\]
C) \[\frac{5m}{2\lambda }\]
D) \[\frac{8m}{3\lambda }\]
Correct Answer: B
Solution :
[b] Weight of sphere+chain=\[(m+\lambda h)g\] Buoyant force=\[\left( 3m+\frac{\lambda h}{7} \right)g\] For equilibrium, weight=Buoyant force Or \[m+\lambda h=3m+\frac{\lambda h}{7}\]or \[h=\frac{7m}{3\lambda }\]You need to login to perform this action.
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