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JEE Main Chemistry Class 11 Structure of Atom Part 2 Questions

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Question : 25

Total: 91

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' A ' ×1012 hertz and that has a radiant intensity in that direction of ‌

‌′B‌ ' ‌

watt per steradian. 'A' and 'B' are respectively

[9 Apr 2024 Shift 2]

540 anld ‌
1
683
540 and 683
450 and ‌
1
683
450 and 683

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