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Atomic Spectra : Class 9 Science MCQ Practice Questions & Answers (Sanskrit) - ObjectiveMcq

Class 9 Science Practice

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PracticeClass 9 ScienceChemistryAtomic StructureAtomic Spectra

Atomic Spectra in Class 9 Science : Practice MCQ Questions & Answers with Explanations

1 practice sets · Page 1 of

1

Class 9 ScienceMediumChemistry Atomic StructureAtomic Spectra

1.

What is the principal cause of the atomic spectra produced by elements?

A

Electrons jumping from lower to higher energy levels

B

Protons emitting radiation

C

Electrons moving in circular orbits

D

Electrons changing position within an orbital

Correct Answer:

A — Electrons jumping from lower to higher energy levels

Explanation:

Atomic spectra are produced when electrons transition between energy levels.