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The activity of a sample reduces from $${A}_{0}$$ to $${A}_{0}/\sqrt{3}$$ in one hour. The activity after $$3$$hours more will be

A

$$\cfrac{{A}_{0}}{3\sqrt{3}}$$

B

$$\cfrac{{A}_{0}}{9}$$

C

$$\cfrac{{A}_{0}}{9\sqrt{3}}$$

D

$$\cfrac{{A}_{0}}{27}$$

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Solution

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Correct option is A. $$\cfrac{{A}_{0}}{3\sqrt{3}}$$

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