The decay constant of a radio active element, which disintegrates to $10 g m s$ from $20 g m s$ in $10$ minutes is :

Question

The decay constant of a radio active element- which disintegrates to 10 gms from 20 gms in 10 minutes is -0-00693  min-1-0-693  min-1-6-93  min-1-0-0693  min-1-

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Disintegrates to 10 gms from 20 gms-

The decay constant of a radio active element, which disintegrates to $10 g m s$ from $20 g m s$ in $10$ minutes is :
$0.00693 m i n^{- 1}$
$0.693 m i n^{- 1}$
$6.93 m i n^{- 1}$
$0.0693 m i n^{- 1}$

Disintegrates to $10$ gms from $20$ gms.

The decay constant of a radio active element, which disintegrates to 10gms from 20gms in 10 minutes is :0.00693 min−10.693 min−16.93 min−10.0693 min−1

Disintegrates to 10 gms from 20 gms.

The decay constant of a radio active element, which disintegrates to $10 g m s$ from $20 g m s$ in $10$ minutes is :
$0.00693 m i n^{- 1}$
$0.693 m i n^{- 1}$
$6.93 m i n^{- 1}$
$0.0693 m i n^{- 1}$

Disintegrates to $10$ gms from $20$ gms.