Apposition image in eye of insects is formed in:

Options

A. Dim light
B. Bright light
C. Ocelli
D. None of these

Answer

### Step-by-Step Solution:

1. **Understanding Insect Eyes**: Insects possess compound eyes, which are made up of numerous small units called ommatidia. Each ommatidium acts as an individual eye, contributing to the overall image perceived by the insect.

2. **Types of Images Formed**: Insects can form two types of images using their compound eyes: opposition images and superposition images. The formation of these images depends on the light conditions.

3. **Ommatidia Function**: Each ommatidium focuses on light rays that are coming from a specific direction. In the case of opposition images, ommatidia are particularly effective in bright light conditions.

4. **Bright Light Condition**: When the light is bright, the ommatidia in the compound eye focus on nearly parallel light rays. This allows for a clear and distinct image to be formed, which is known as an opposition image.

5. **Comparison with Superposition Images**: In contrast, superposition images are formed under dim light conditions, where the sensory cells of the ommatidia overlap the light rays. This results in increased brightness but decreased sharpness of the image.

6. **Conclusion**: Therefore, the opposition image in the eye of insects is formed in bright light.

### Final Answer:
The opposition image in the eye of insects is formed in **bright light**.

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