WorksheetsHydrogen spectrum
Total questions: 15
Worksheet time: 20mins
Why are line emission spectra of elements called "atomic fingerprints"?
They are all the same
They are all unique
They are all similar
They all contain colored light
They contain the same energy
n=1 to n=2 energy level gap is shown by which line in which series of the Hydrogen spectrum?
Lyman series lowest frequency line
Balmer series lowest frequency line
Lyman series highest frequency line
Balmer series highest frequency line
Paschen series highest frequency line
The figure shows a simplified diagram of visible line emission spectrum of Hydrogen.
What quantities can be represented along the horizontal axis of the figure above?
(a)
Wavelength of the first line of the Balmer series is longer than the wavelength of the first line of the Lyman series.
True
False
When Lyman and Balmer series considered, Lyman series belongs to a region with higher wave lengths.
True
False
In the Hydrogen spectrum, the distance between nearby lines of any series (a) towards the direction of increasing frequency.
Which of the following statements is/are incorrect regarding the atomic emission spectrum of Hydrogen?
The radiation corresponding to the n=2 to n=1 transition has the longest wavelength in the Lyman series
The series of lines of Lyman series occurs in the ultraviolet region
Each line in the spectrum corresponds to an indefinite radiation.
Emission of radiation occurs when electrons undergo transitions from lower levels to higher energy levels.
The true statements out of the following is/are:
Sunlight has a continuous spectrum
The highest frequency of the uv range is existing for the violet colour
The Lyman series formed in the Hydrogen spectrum belongs to the Infra-red region
The waves that form when the electrons are transmitted from the higher energy levels to the third energy level are belonging to the Brackett series.
A radiation having a frequency of 662 nm causes the red line of Balmer series of the atomic spectrum of Hydrogen.
Select the suitable energy levels of transition to form the above relevant line on the spectrum.
n=2 to n-5
n=2 to n=3
n=3 to n=2
n=3 to n=4
n=5 to n=2
The energy levels that are related with the electron transition which liberates the highest energy of the H atom is,
n=4 to n=2
n=4 to n=3
n=7 to n=5
n=6 to n=2
n=2 to n=1
Which of the following statements concerning atomic spectra is/are true?
As the frequencies of the lines of the spectrum of Hydrogen increase the lines rapidly come closer together
As the wavelength of the lines of the spectrum of Hydrogen increases, the lines rapidly come close together.
The frequency difference between successive line in the spectrum of Hydrogen indicates the energy in the quantized energy level.
Hydrogen gives an emission spectrum and an absorption spectrum depending on the electron transition between energy level.
Which of the following pairs of lines has/have a difference between them which is equal to that between 3rd and 4th lines of the Lyman series of the atomic spectrum of Hydrogen?
3rd and 4th lines of Balmer series
1st and 2nd lines of Paschen series
2nd and 3rd lines of Balmer series
3rd and 4th lines of Paschen series
1. The distance between two adjacent lines in the Hydrogen spectrum increase with the increasing frequency
2. The energy gap between consecutive energy levels increase rapidly in a hydrogen atom when energy levels move further away from the nucleus.
The above 2 statements respectively are,
True , True
True , False
False , True
False , False
Which of the following statements is correct regarding the atomic emission spectrum of hydrogen?
The radiation corresponding to the n=2 to n=1 transition has the longest wavelength
The n=4 to n=2 transition corresponds to the H beta line
The first line of the Lyman series occurs in the infra-red region
Absorption of radiation occurs when electrons undergo transitions from lower levels to higher levels
In a given series, the seperation between adjacent lines increases in the direction of increasing energy
Which of the following correctly represents the arrangement of the emission lines in two consecutive series in the atomic spectrum of hydrogen?
