JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Physics

Question : 14 of 90

Marks: +1, -0

For a certain radioactive process the graph between In R and t(sec) is obtained as shown in the figure.
Then the value of half life for the unknown radioactive material is approximately :

[20 Jul 2021 Shift 2]

9.15 sec
6.93 sec
2.62 sec
4.62 sec

Validate

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