Gujarati
13.Nuclei
easy

यदि एक रेडियोएक्टिव नमूने की अर्द्ध-आयु $10$ घण्टे है तो उसकी औसत आयु ....... घण्टे होगी

A

$14.4$ 

B

$7.2$

C

$20$ 

D

$6.93$ 

Solution

औसत आयु $ = \frac{{Half\;life}}{{0.6931}} = \frac{{10}}{{0.6931}} = 14.4\;hours$

Standard 12
Physics

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