The candela is the luminous intensity, in a given direction, of a source that emits…
Chemistry · JEE Main · NTA Exams — Atomic Structure
The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency \(' \mathrm{~A}^{\prime} \times 10^{12}\)hertz and that has a radiant intensity in that direction of \(\frac{1}{{ }^{\prime} \mathbf{B} \text { ' }}\) watt per steradian. 'A' and 'B' are respectively.
(Jee Main 2024)
(Jee Main 2024)
- 540 and 683
- 450 and 683
- 450 and \(\frac{1}{683}\)
- 540 and \(\frac{1}{683}\)
Answer
(D) 540 and 1 683
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