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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 9 April 2024, Shift 2, Chemistry Q61

Question 61 of 90 in this shift, Chemistry question 1 of 30, Section A.

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 'AA' ×1012\times10^{12} hertz and that has a radiant intensity in that direction of 1′B′\frac{1}{'B'} watt per steradian. 'A' and 'B' are respectively
  1. (1)450450 and 683683
  2. (2)450450 and 1683\frac{1}{683}
  3. (3)540540 and 683683Official answer
  4. (4)540540 and 1683\frac{1}{683}

Official answer

Option 3

NTA final key.

Chapter
Some Basic Concepts of Chemistry
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. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.