Atoms and Nuclei-Energy Levels (NEET Physics): Questions 1 - 4 of 6

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

In figure the energy level diagram of an atom with one electron knocked out is shown. Which of the following relation is true?

( νkβ is frequency of K β X-ray of a material, νkα is frequency of K α X-ray of same material and νLα is the frequency of L α X-ray of same material)

Finding the correct relationship of the energy level diagram

Finding the Correct Relationship of the Energy Level Diagram

Energy level diagram of an atom with one electron knocked out is shown

Choices

Choice (4) Response

a.

νkβ=(νkα+νLα)2

b.

νkβ=νkα+νLα

c.

νkβ=νkα2+νLα2

d.

νkβ=νkα2+νLα2

Passage

Read the passage given below and answer the questions that follow:

A gas of identical hydrogen like atoms has some atoms in ground state and some atoms in a particular excited state and there are no atoms in any other energy level. The atoms of the gas make transition to a higher energy state by absorbing monochromatic light of wavelength 304 Å. Subsequently, the atoms emit radiation of only six different photon energies. Some of emitted photons have wavelength 304 Å, some have wavelength more and some have less than 304 Å (Take h c = 12420 eV- Å)

Question number: 2 (1 of 2 Based on Passage) Show Passage

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

Identify the gas (Z =? )

Choices

Choice (4) Response

a.

2

b.

1

c.

4

d.

3

Question number: 3 (2 of 2 Based on Passage) Show Passage

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

Find the maximum and minimum energies of emitted photons (in eV)

Choices

Choice (4) Response

a.

10.4, 3.6

b.

20.4, 10.6

c.

40.8, 10.6

d.

Question does not provide sufficient data or is vague

Question number: 4

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

Energy levels A, B, C of a certain atom corresponding to increasing values of energy E A < E B < E C. If λ 1, λ 2, λ 3 are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively, which of the following statements is correct?

 Energy Levels of certain atom

Energy Levels of Certain Atom

Energy levels A, B, C of a certain atom corresponding to increasing values of energy EA < EB < EC. λ1, λ2, λ3 are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively.

Choices

Choice (4) Response

a.

λ32=λ12+λ22

b.

λ1+λ2+λ3=0

c.

λ3=λ1λ2λ1+λ2

d.

λ3=λ1+λ2

Sign In