✓ Board-verified
Physics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 3 · Q8
A plane electromagnetic wave is travelling in air in +x direction. At a particular moment, its electric field E is along +y direction. At that…
A plane electromagnetic wave is travelling in air in +x direction. At a particular moment, its electric field $\displaystyle \overrightarrow{\mathrm{E}}$ is along +y direction. At that moment, the magnetic field $\displaystyle \overrightarrow{\mathrm{B}}$ is along:
Official answer
(B)
z direction and in phase with $\displaystyle \overrightarrow{\mathrm{E}}$
All Electromagnetic Waves questions2024 question paperNCERT solutions: Electromagnetic WavesPractice Electromagnetic Waves →
More from Electromagnetic Waves
- The ratio of amplitude of electric field to the amplitude of the magnetic field associated with an electromagnetic wave propagating in glass (n=1 ·…2026
- The magnetic field in a plane electromagnetic wave travelling in glass (n=1 · 5) is given by B_y=(2 × 10^-7 T) sin (α x+1 · 5 × 10^11 t) where x is…2026
- What are infrared waves? Why are these waves referred to as 'heat waves'? Give any two uses of these waves.2026
- Differentiate between conduction current and displacement current. A capacitor is connected across a source providing time-dependent current. Explain…2026
- Which one of the following has the highest frequency?2024
- The electromagnetic waves used in radar systems are:2023
- What are microwaves? How are they produced? Give any two uses of microwaves.2026
- Which one of the following electromagnetic radiation has the least wavelength?2023
CBSE Class 12 Physics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.