In electric field which have maximum angle of deflection? ( Assume all have same velocity)

Options

A. `alpha` rays
B. `H^(+)` rays
C. `D^(+)` rays
D. All have equal

Answer

To solve the question of which particle experiences the maximum angle of deflection in an electric field, we need to analyze the properties of the given particles: alpha rays, H+ rays, and D+ rays.

### Step-by-Step Solution:

1. **Identify the Particles**:
- **Alpha rays**: These are helium ions (He²⁺) consisting of 2 protons and 2 neutrons.
- **H+ rays**: These are hydrogen ions (H⁺) consisting of 1 proton.
- **D+ rays**: These are deuterium ions (D⁺) consisting of 1 proton and 1 neutron.

2. **Understand the Concept of Deflection**:
- The angle of deflection of a charged particle in an electric field is inversely related to its mass. This means that lighter particles will experience a greater deflection compared to heavier particles when subjected to the same electric field.

3. **Compare the Masses**:
- **Alpha ray (He²⁺)**: Heavier due to 2 protons and 2 neutrons.
- **H+ ray (H⁺)**: Lightest, consisting of only 1 proton.
- **D+ ray (D⁺)**: Intermediate mass, consisting of 1 proton and 1 neutron.

4. **Determine the Angle of Deflection**:
- Since H+ ray has the least mass, it will experience the maximum angle of deflection in the electric field.
- Alpha rays, being the heaviest, will have the least angle of deflection.
- D+ rays will have an angle of deflection that is greater than alpha rays but less than H+ rays.

5. **Conclusion**:
- Therefore, the particle that experiences the maximum angle of deflection is the H+ ray.

### Final Answer:
The H+ ray has the maximum angle of deflection in an electric field.

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