Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose?

[RH= 1 × 105 cm, h = 6.6 × 10–34 Js, c = 3 × 108 ms– 1]

  1. A

    Balmer, 2

  2. B

    Lyman, 1

  3. C

    Paschen, 5 3

  4. D

    Paschen, 3 

Solution

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