Gujarati
13.Nuclei
easy

एक रेडियोएक्टिव तत्व का क्षय नियतांक है $0.01$ प्रति सैकण्ड, तो उसकी अर्द्ध-आयु ........सैकण्ड होगी

A

$693$ 

B

$6.93$ 

C

$0.693$ 

D

$69.3 $ 

Solution

${t_{1/2}} = \frac{{0.6931}}{{0.01}} = 69.31$ सैकण्ड

Standard 12
Physics

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