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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
- Two discs of moment of inertia I₁ and I₂ and angular speeds ?￢ﾂﾁ and ?￢ﾂﾂ are rotating
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
- An observer moving away from a stationary source. The observed frequency is half
- Two charged spheres seperated at a distance d exert a force F on each other.
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
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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