JEE Main 2020 — Structure of Atom Question with Solution
JEE Main 2020 (02 Sep Shift 1)
Question
Choose an option
Show full solutionCorrect option: 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 .

Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Structure of Atom chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →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.