A radio-active material is reduced to 1 \/ 8 of its original amount in 3 days. If 8 \times 10^{-3} {\kg} of the material is left after 5 days. The initial amount of the material is

BITSAT 2023 Shift 1 Paper

Section: Physics

Question : 3 of 130

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A radio-active material is reduced to 1∕8 of its original amount in 3 days. If 8×10−3‌kg of the material is left after 5 days. The initial amount of the material is

700 gm
900 gm
475 gm
256 gm

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