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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The nuclei of which one of the following pairs of nuclei are isotones?
- In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens
- A car of mass m is moving on a level circular track of radius R
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
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