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In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁ approaches a target nucleus of charge Z₂ and mass M₂, the distance of closest approach is r. The energy of the projectile is
Options
(a) directly proportional to Z₁ Z₂
(b) inversely proportional to Z₁
(c) directly proportional to mass M₁
(d) directly proportional to M₁ x M₂
Correct Answer:
directly proportional to Z₁ Z₂
Explanation:
The kinetic energy of the projectile is given by
1/2 mv² = Ze (2e) / 4π?￢ﾂﾀr₀
= Z₁ Z₂ / 4π?￢ﾂﾀr₀
Thus energy of the projectile is directly proportional to Z₁, Z₂.
Related Questions: - In Raman effect, Stoke’s lines are spectral lines having
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
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Topics: Atoms and Nuclei
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In Raman effect, Stoke’s lines are spectral lines having
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
- A person cannot see the objects clearly placed at a distance more than 40 cm
- A particle performing uniform circular motion has angular momentum
Topics: Atoms and Nuclei (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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