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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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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A satellite A of mass m is at a distance r from the centre of earth. Another satellite
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- The horizontal range and maximum height of a projectile are equal.The angle of projection
- The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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