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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
Related Questions: - The potential energy of particle in a force field is U = A/r² – b/r, where A and B
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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
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- A projectile is fired at an angle of 45° with the horizontal
- Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
- The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
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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