Which of the following is not transported by electromagnetic waves?

Options

A. Energy
B. Momentum
C. Charge
D. Information

Answer

To determine which of the following quantities is not transported by electromagnetic waves, we will analyze each option based on the properties of electromagnetic waves.

### Step-by-Step Solution:

1. **Understanding Electromagnetic Waves**: Electromagnetic (EM) waves consist of oscillating electric fields (E) and magnetic fields (B) that are perpendicular to each other and to the direction of wave propagation. They do not carry mass or charge.

2. **Evaluating the Options**:
- **Option 1: Energy**: EM waves can carry energy. This can be demonstrated through the photoelectric effect, where light (an EM wave) incident on a metal surface can eject electrons by transferring energy to them. Therefore, this option is correct.

- **Option 2: Momentum**: EM waves also carry momentum. When light strikes a surface, it exerts pressure, indicating that it has momentum. This can be observed in phenomena like radiation pressure. Thus, this option is also correct.

- **Option 3: Charge**: EM waves do not carry charge. They are neutral and do not have mass or charge associated with them. This option is incorrect as it is the one that cannot be transported by EM waves.

- **Option 4: Information**: EM waves can carry information, particularly in communication technologies such as radio waves, where information is transmitted through varying electric signals. Hence, this option is correct.

3. **Conclusion**: After evaluating all the options, we find that the quantity that is not transported by electromagnetic waves is **charge**.

### Final Answer:
**Charge** is not transported by electromagnetic waves.

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