✓ 5 MARKS
Long Answer
🔥 APPEARED IN 3 BOARD SETS
(ii) In the figure, a ray of light is incident on a transparent liquid contained in a thin glass box at an angle of $45^\circ$ with its one face. The emergent ray passes along the face AB. Find the refractive index of the liquid.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2024 | Series Other | Set 1 | Question 34 |
| CBSE 2024 | Series Other | Set 1 | Question 20 |
| CBSE 2024 | Series Other | Set 1 | Question (ii) |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)