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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron in the hydrogen atom jumps from excited state n to the ground state
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- Radius of a soap bubble is increased from R to 2R. Work done in this process
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
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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