Q17.The half life of a radioactive substance is ๐. The time taken, for disintegrating 7 ๐กโ part of its original mass will 8 be: (1) 2๐ (2) 3๐ (3) ๐ (4) 8๐
What This Question Tests
This question tests the understanding of half-life and its application to calculate the time required for a specific fraction of a radioactive substance to disintegrate.
Concepts Tested
Formulas Used
N = Nโ (1/2)โฟ
n = t/T
๐ NCERT Sections This Tests
3.17 โ During Nuclear Explosion, One Of The Products Is 90Sr With Half-Life Of
Chemistry Class 11 ยท Chapter 3
3.17 During nuclear explosion, one of the products is 90Sr with half-life of 28.1 years. If 1mg of 90Sr was absorbed in the bones of a newly born baby instead of calcium, how much of it will remain after 10 years and 60 years if it is not lost metabolically.
13.4 โ Obtain Approximately The Ratio Of The Nuclear Radii Of The Gold Isotope
Physics Class 12 ยท Chapter 13
13.4 Obtain approximately the ratio of the nuclear radii of the gold isotope 197 79 Au and the silver isotope 10747 Ag .
3.16 โ The Rate Constant For A First Order Reaction Is 60 Sโ1. How Much Time Will
Chemistry Class 11 ยท Chapter 3
3.16 The rate constant for a first order reaction is 60 sโ1. How much time will it take to reduce the initial concentration of the reactant to its 1/16th value?
๐ Question Details
- Chapter
- Nuclei
- Topic
- Radioactive decay, Half-life
- Year
- 2023
- Shift
- 10 Apr Shift 2
- Q Number
- Q17
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 13: Nuclei
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