The candela is the luminous | Chemistry | JEE Main 2024

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JEE Main 2024

09-04-2024 S2

Question

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' A ' $\times 10^{12}$ hertz and that has a radiant intensity in that direction of $\frac{1}{{ }^{\prime} \mathrm{B}}$ watt per steradian. ' A ' and ' B ' are respectively

Select the correct option:

A

540 and $\frac{1}{683}$

B

540 and 683

C

450 and $\frac{1}{683}$

D

450 and 683

✓ Correct! Well done.

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Solution

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