✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
When the experiment is performed in a liquid of refractive index greater than 1, then fringe pattern will :
A
disappear
B
become blurred
C
be widened
D
be compressed
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-5 | Set 1 | Question (iv) |
| CBSE 2026 | Series 55-5 | Set 2 | Question 30.(iv) |
| CBSE 2026 | Series 55-5 | Set 3 | Question iv |
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)