| ⇦ | 
| ⇨ |
If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-broglie wavelength of the particle is
Options
(a) 25
(b) 75
(c) 60
(d) 50
Correct Answer:
75
Explanation:
For de-Broglie wavelength, λ₁ = h / p = h / √(2mK) —–(i)
λ₂ = h / √(2m 16K) = h / 4√(2mK) = λ₁ / 4 ——-(ii)
λ₂ = 25% of λ₁
There is 75% change in the wavelength.
Related Questions: - If the focal length of objective lens is increased, then magnifying power of
- A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the focal length of objective lens is increased, then magnifying power of
- A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
- A current of 2 A is made to flow through a coil which has only one turn. The magnetic
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
Topics: Dual Nature of Matter and Radiation (150)
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