13.Nuclei
easy

पाँच अर्द्धआयुकालों के पश्चात् प्रारम्भिक पदार्थ का शेष भाग होगा

A

${\left( {\frac{1}{2}} \right)^{10}}$

B

${\left( {\frac{1}{2}} \right)^5}$

C

${\left( {\frac{1}{2}} \right)^4}$

D

${\left( {\frac{1}{2}} \right)^3}$

Solution

$\frac{N}{{{N_0}}} = {\left( {\frac{1}{2}} \right)^n} = {\left( {\frac{1}{2}} \right)^5}$

Standard 12
Physics

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