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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
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Element ²³⁴U has 92 protons and 234 nucleons in its nucleus. It decays by
- The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
- The potential difference that must be applied to stop the fastest photoelectrons
- A short magnet of magnetic moment M, is placed on a straight line. The ratio
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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