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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The physical quantities not having same dimensions are
- The electric potential V at any point (x,y,z) all in meters in space is given by
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- A student performs an experiment to determine the Young’s modulus of a wire
- A wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed
Topics: Atoms and Nuclei (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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