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The ratio of minimum wavelengths of Lyman and Balmer series will be
Options
(a) 5
(b) 10
(c) 1.25
(d) 0.25
Correct Answer:
0.25
Explanation:
Minimum wavelength is for higher energy n = 1 → n = ∞, energy = E₀.
n = 2 → n = ∞, energy = E₀/4.
.·. Balmer line has 4 times the wavelength.
.·. Ratio of minimum wavelength is (1/4) = 0.25
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Topics: Atoms and Nuclei
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- The optical path of a monochromatic light is same if it goes through 4.0 cm
- Infinite number of masses, each 1 kg, are placed along the x-axis
- A body moves with a uniform acceleration a and zero initial velocity
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
Topics: Atoms and Nuclei (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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