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In the reaction ₉₂U²³⁴→₈₇Y²²², how many α-particle and β-particles are emitted respectively?
Options
(a) 3,5
(b) 5,3
(c) 3,3
(d) 3,1
Correct Answer:
3,1
Explanation:
Change in A = 234 – 222 = 12
This is the effect of 3 α-particles = 3 × ₂He⁴
Change in Z due to 3α = -6
Given change in Z = 87 – 92 = -5
Hence one beta is emitted = -6 + 1 = -5
Therefore, 3α and 1β
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The volume of a nucleus is directly proportional to
- When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
- Three identical spherical shells, each of mass m and radius r are placed
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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