| ⇦ | 
| ⇨ |
A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter nucleus is
Options
(a) A-4/4v
(b) 4v/A-4
(c) v
(d) v/4
Correct Answer:
4v/A-4
Explanation:
According to the question, zXᴬ → z-₂ Yᴬ⁻⁴ + ₂He⁴
Let the recoil speed of daughter nucleus is ʋ’. By the law of conservation of momentum, we have Initial momentum = Final momentum
0 = (A – 4)ʋ’ + 4ʋ
(A – 4) ʋ’ = -4ʋ ⇒ ʋ’ = 4ʋ / (A – 4)
Related Questions: - The name of ions knocked out from the hot surface is
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- If R is the radius of the earth and g is the acceleration due to gravity
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The name of ions knocked out from the hot surface is
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- If R is the radius of the earth and g is the acceleration due to gravity
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
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