| ⇦ | 
| ⇨ |
₉₂U²³⁴ has 92 protons and 238 nucleons. It decays by emitting an alpha particle and becomes
Options
(a) ₉₂U²³⁴
(b) ₉₀Th²³⁴
(c) ₉₂U²³⁵
(d) ₉₃Np²³⁷
Correct Answer:
₉₀Th²³⁴
Explanation:
Emission of alpha particle, decreases the mass number by 4 and charge number by 2.
.·. Decrease in mass number = 238 – 4 = 234
Decrease in charge number = 92 – 2 = 90 ₉₀Th²³⁴ is emitted.
Related Questions: - The threshold wavelength for photoelectric emission from a material is 4800 Å.
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- If 75% of the radioactive reaction is completed in 2 hrs, what would be
- Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- An inclined plane makes an angle of 30° with the horizontal.A solid sphere
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The threshold wavelength for photoelectric emission from a material is 4800 Å.
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- If 75% of the radioactive reaction is completed in 2 hrs, what would be
- Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- An inclined plane makes an angle of 30° with the horizontal.A solid sphere
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply