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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
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- A choke is preferred to a resistance for limiting current in AC circuit because
- A proton and helium nucleus are shot into a magnetic field at right angles to the field
- The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
- A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
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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