A) \[B=\frac{normal\,stress}{volume\,strain}\]
B) \[B=-\frac{\Delta P}{\Delta V/V}\]
C) \[B\propto \frac{1}{\frac{\Delta V}{V}}\]
D) \[\Rightarrow \]
Correct Answer: A
Solution :
Key Idea: One of the conditions for SHM is that restoring force (F) and hence acceleration (A) should be proportional to displacement (y). Let, \[\mu \alpha n\] \[\mu \alpha 1/n\] \[\mu \alpha {{n}^{2}}\] or \[\mu \alpha 1/{{n}^{2}}\] \[Z\alpha r\] \[Z\alpha 1/r\] \[Z\alpha 1/{{r}^{2}}\] This satisfies the condition of SHM. Other equations do not satisfy this condition.
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