| ⇦ | 
| ⇨ |
An electron of mass m and a photon have same energy E. The ratio of de-Broglie wavelengths associated with them is
Options
(a) (E/2m)¹∕₂
(b) c(2mE)¹∕₂
(c) 1/c (2m/E)¹∕₂
(d) 1/c (E/2m)¹∕₂
Correct Answer:
1/c (E/2m)¹∕₂
Explanation:
λₑ = h / √2mE,
λp = hc / E,
E = hc / λp
λₑ / λp = (h / √2mE) (E / hc)
= 1/c √(E / 2m)
=1/c (E/2m)¹∕₂
Related Questions: - Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- A carnot’s engine operates with source at 127° C and sink at 27°C
- The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap
- A particle moving along a straight line OX.At a time (in second ) the distance
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- A carnot’s engine operates with source at 127° C and sink at 27°C
- The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap
- A particle moving along a straight line OX.At a time (in second ) the distance
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
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