✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
In an electromagnetic wave, the electric field ($\vec{E}$) and the magnetic field ($\vec{B}$) oscillate along x-axis and y-axis respectively. The wave is propagating along :
A
z-axis
B
$-z$-axis
C
x-axis
D
$-y$-axis
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 55-7 | Set 1 | Question 4 |
| CBSE 2026 | Series 55-7 | Set 2 | Question 2 |
| CBSE 2026 | Series 55-7 | Set 3 | Question 10 |
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)