JEE Main 2020ChemistryStructure of AtomMediumMCQ

JEE Main 2020Structure of Atom Question with Solution

JEE Main 2020 (02 Sep Shift 1)

Question

The figure that is not a direct manifestation of the quantum nature of atom is :

Choose an option

Show full solutionCorrect option: D
Correct answer
D

Step-by-step explanation

1, 2 and 3 are according to quantum theory but (4) is statement of kinetic theory of gases.

Figure 1 is associated with theory of black body, figure 2 is associated with photoelectric effect and figure 3 shows absorption spectra, so we can say that these 3 figures are associated with quantum nature of atom while figure 4 shows variation of internal energy with temperature .

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About this question

This is a previous-year question from JEE Main 2020, covering the Structure of Atom chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.