Everyday Science MCQs
Q The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
  • A A. 4 days
  • B B. 12 days
  • C C. 16 days
  • D D. 8 days
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Word of the Day
16 Jul
Volatile
(of a substance) easily evaporated at normal temperatures.
Ψ¨Ψ―Ω„ΨͺΫ’ Ω…Ψ²Ψ§Ψ¬ ΩˆΨ§Ω„Ψ§ΨŒ کافور ءفΨͺ

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