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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: - A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
- An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
- An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
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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