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The half-life of radioactive element is 600 yr. The fraction of sample that would remain after 3000 yr is
Options
(a) (1/2)
(b) (1/16)
(c) (1/8)
(d) (1/32)
Correct Answer:
(1/32)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
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- The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
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- Pure Si at 500 K has equal number of electron (nₑ) and hole (nₕ) concentrations
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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T(Half)=600 years
T=3000 years
n=3000/600
n=5
Now,
N=N`(1/2)powern=5
N=N'(1/32)
N/N`=1/32