Which component of electromagnetic wave primarily interacts with medium ?

Options

A. Magnetic vector
B. Electric vector
C. Both (1)& (2)
D. None of these

Answer

To solve the question "Which component of electromagnetic wave primarily interacts with medium?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Electromagnetic Waves**:
- Electromagnetic waves consist of two components: an electric field (E vector) and a magnetic field (B vector). These fields oscillate perpendicular to each other and to the direction of wave propagation.

2. **Interaction with Medium**:
- When electromagnetic waves travel through a medium, they can interact with the particles in that medium. The nature of this interaction depends on the properties of the medium and the electromagnetic wave.

3. **Role of Electric Field**:
- The electric field component (E vector) of an electromagnetic wave is primarily responsible for interacting with charged particles in the medium. This interaction can cause the charged particles to accelerate, leading to various effects such as polarization.

4. **Role of Magnetic Field**:
- The magnetic field component (B vector) also exists, but it primarily influences moving charges (currents) rather than stationary charges. Its interaction with the medium is generally weaker compared to that of the electric field.

5. **Conclusion**:
- Based on the above understanding, the electric vector (E vector) is the component of the electromagnetic wave that primarily interacts with the medium. Therefore, the correct answer to the question is Option 2: Electric Vector.

### Final Answer:
The component of electromagnetic wave that primarily interacts with the medium is the **Electric Vector**.

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