Electrical field is used to deflect

Options

A. `alpha and beta` particles
B. `alpha and gamma` particles
C. `alpha, beta and gamma` -particles
D. `beta and gamma` particles

Explanation

To solve the question regarding which particles can be deflected by an electric field, we need to analyze the nature of the particles involved.

### Step-by-Step Solution:

1. **Understanding the Types of Particles**:
- **Alpha Particles (α)**: These are positively charged particles (helium nuclei) and can be deflected by an electric field.
- **Beta Particles (β)**: These are negatively charged particles (electrons) and can also be deflected by an electric field.
- **Gamma Rays (γ)**: These are neutral electromagnetic radiation and cannot be deflected by an electric field.

2. **Analyzing the Options**:
- **Option 1: Alpha and Beta**: Since both alpha and beta particles are charged, they can be deflected by an electric field. This option is correct.
- **Option 2: Alpha and Gamma**: Alpha particles can be deflected, but gamma rays cannot. This option is incorrect.
- **Option 3: +2 Alpha, -1 Beta, 0 Gamma**: This option suggests that alpha can be deflected, beta can be deflected, and gamma cannot. However, it is not a valid representation of the particles. This option is misleading and incorrect.
- **Option 4: Beta and Gamma**: Beta particles can be deflected, but gamma rays cannot. This option is incorrect.

3. **Conclusion**:
- The only option that correctly states the particles that can be deflected by an electric field is **Option 1: Alpha and Beta**.

### Final Answer:
The correct answer is **Option 1: Alpha and Beta**.