Which of the following bodies allows only a part of the light to pass through it?

Options

A. Oiled paper
B. Brick
C. Wood
D. Air

Explanation

To solve the question "Which of the following bodies allows only a part of the light to pass through it?" we need to analyze the options provided: brick, wood, air, and oiled paper.

### Step-by-Step Solution:

**Step 1: Understand the types of materials based on light transmission.**
- There are three categories of materials based on how they interact with light:
1. **Transparent**: Materials that allow all light to pass through (e.g., clear glass).
2. **Translucent**: Materials that allow only some light to pass through, making objects behind them appear blurry (e.g., frosted glass, oiled paper).
...