(a) The near point of a hypermetropic person is at `75 cm` from the eye. What is the power of the lens required to enable him to read clearly a book held at `25 cm` from the eye ?
(b) In what way does the corrective lens help the person above ? Does the lens magnify objects held near the eye ?
( c) The person above prefers to remove his spectacles while looking at the sky. Explain why ?

Explanation

Let's break down the solution step by step for the given question:

### Part (a): Finding the Power of the Lens

1. **Understanding the Problem**:
- The near point of a hypermetropic person is at 75 cm. This means he can only see objects clearly that are at least 75 cm away.
- He wants to read a book that is held at 25 cm from his eye.

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