The Moon is viewed by the telescope which consists of two lenses of focal lengths `5 m and 10 cm`. Calculate the angle subtended by the eye at the final image. The diameter of the Moon is `3.5xx10^(3) km` and its distance from the Earth is approximately `4xx10^(5) km`.

Explanation

To solve the problem, we need to find the angle subtended by the eye at the final image of the Moon when viewed through a telescope. The telescope consists of two lenses with given focal lengths. Let's break down the solution step by step.

### Step 1: Identify the given values
- Focal length of the objective lens, \( F_o = 5 \, \text{m} = 500 \, \text{cm} \)
- Focal length of the eyepiece lens, \( F_e = 10 \, \text{cm} \)
- Diameter of the Moon, \( D = 3.5 \times 10^3 \, \text{km} = 3.5 \times 10^6 \, \text{m} \)
- Distance from the Earth to the Moon, \( d = 4 \times 10^5 \, \text{km} = 4 \times 10^8 \, \text{m} \)

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