Q. Match the photometric quantities in Group-I with their respective units in Group-II
| Group-I | Group-II | ||
| P | Illuminance | 1 | Candela |
| Q | Luminous Intensity | 2 | Candela/sqm |
| R | Luminance | 3 | Lumens/sqm |
| S | Luminous Efficacy | 4 | Lumens/watt |
| 5 | Lumens |
(A) P-3, Q-2, R-5, S-4 (B) P-5, Q-4, R-2, S-1
(C) P-5, Q-1, R-2, S-3 (D) P-3, Q-1, R-2, S-4
Ans: P-3, Q-1, R-2, S-4
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
