The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by

⇦

⇨

The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by

Options

(a) λₚ ∞ λₑ
(b) λₚ ∞ √λₑ
(c) λₚ ∞ 1/√λₑ
(d) λₚ ∞ λₑ²

Correct Answer:

λₚ ∞ λₑ²

Explanation:

As P = E/C
λₚ = hC / E …(i)
λₑ² = hh / √ 2mE …(ii)
From equations (i) and (ii)
λₚ ∞ λₑ²

Related Questions:

1. At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
2. A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
3. At absolute temperature, the kinetic energy of the molecules
4. A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
5. A uniform electric field and uniform magnetic field are acting along the same

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