JEE Main 20249 AprilEvening Shift
- Exam
- JEE Main
- Year
- 2024
- Date
- 9 April
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Structure of Atom
JEE Main 2024 · 9 April · Evening Shift · Chemistry · Structure of Atom
The candela is the luminous intensity, in a given direction, of a...
The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' (\mathrm{A}) ' (\times 10^{12}) hertz and that has a radiant intensity in that direction of (\frac{1}{'\mathrm{~B}^{\prime}}) watt per steradian.
'A' and 'B' are respectively
Options
- A540 and 683
- B450 and 683
- C450 and (\frac{1}{683})
- D540 and (\frac{1}{683})
Correct answer
A. 540 and 683
Step-by-step solution
The candela is the luminous intensity of a source that emits monochromatic radiation of frequency radiation of frequency and has a radiant intensity in that direction of . It is unit of Candela.