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Friday, 9 October

JEE Main 2024 · ChemistryNumerical answerNumerical valueEasyData or graph

JEE Main 8 April 2024, Shift 1, Chemistry Q81

Question 81 of 90 in this shift, Chemistry question 21 of 30, Section B.

A hypothetical electromagnetic wave is show below. [figure: sinusoidal wave along an axis with a distance marked 1.5 pm between two dashed vertical lines] The frequency of the wave is x × 1019\times\ 10^{19} Hz. x = ____________ (nearest integer)

The figure, in words

Sinusoidal wave drawn along a horizontal axis; a double-headed arrow between two dashed vertical lines (from the first axis crossing/start to the next crossing) is labelled 1.5 pm.

Official answer

5

NTA final key.

Chapter
Structure of Atom
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.