If the wavelength of α -line of Lyman series in hydrogen atom is λ, find the wavelength of β -line of Paschen series.
If the wavelength of α -line of Lyman series in hydrogen atom is λ, find the wavelength of β -line of Paschen series.
Option 1 -
(3² x 5⁶ / 2³) x λ
Option 2 -
(3⁶ x 5³ / 2²) x λ
Option 3 -
(3³ x 5² / 2⁶) x λ
Option 4 -
(3² x 5³ / 2⁶) x λ
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1 Answer
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Correct Option - 3
Detailed Solution:(hc/λ) = 13.6Z² (1/1² - 1/4²) = 13.6Z² (3/4) ; [λ = (4/3)k]
β line of Paschen
(hc/λ') = 13.6Z² (1/9 - 1/25)
λ = k × (9×25/16) ; λ' = (3/4)λ × (9×25/16) = (3³×5²/2? )λ
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