EASY
12th Meghalaya Board
IMPORTANT
Earn 100

The ratio of wavelengths of the last line of the Balmer series and the last line of the Lyman series is_____.

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Important Questions on Atoms

EASY
12th Meghalaya Board
IMPORTANT
The following statements are given about the Hydrogen atom.

A. The wavelengths of the spectral lines of the Lyman series are greater than the wavelength of the second spectral line of the Balmer series.

B. The orbits correspond to circular standing waves in which the circumference of the orbit equals a whole number of wavelengths.
EASY
12th Meghalaya Board
IMPORTANT
The shortest wavelength present in the Brackett series of a spectral line is
EASY
12th Meghalaya Board
IMPORTANT
A certain molecule has an energy level diagram for its vibrational energy in which two levels are 0.014 eV apart. Find the wavelength of the emitted line for the molecule as it falls from one of these levels to the other
EASY
12th Meghalaya Board
IMPORTANT
In hydrogen atom if an electron jumps from third to second orbit, the wavelength of the emitted radiation
EASY
12th Meghalaya Board
IMPORTANT
The ratio of the frequencies of revolution of an electron in the two orbits of quantum numbers n and p is
MEDIUM
12th Meghalaya Board
IMPORTANT
A monochromatic radiation of wavelength 975 A0 excites the hydrogen atom from its ground state to a higher state. How many different spectral lines are possible in the resulting spectrum?