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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
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
- If the electric field lines is flowing along axis of a cylinder, then the flux
- If the red light is replaced by blue light illuminating the object in a microscope
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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