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NEET 2002 Physics question

PhysicsNucleiNEET 2002

A sample of radioactive element containing active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days :

Answer: (3)

Solution

Number of half-lives . Nuclei remaining \dfrac{N_0}{2^n}\dfrac{4 × 10^{16}}{8}$ = 0.5 ×

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Question ID VK-088983