Question

Least distance of distinct vision is_____

• A. 25 m
• B. 25 mm
• C. 25 cm
• D. 25km

Answer 1

The Correct Option is C

To solve this problem, we need to recall the concept of the least distance of distinct vision in human eyes.

1. Definition:
The least distance of distinct vision is the minimum distance at which the eye can see an object clearly without strain. This is also known as the near point of the eye.

2. Standard Value:
For a normal human eye, the least distance of distinct vision is taken as: 25 cm

3. Evaluating the Options:
(A) 25 m – Too large ❌
(B) 25 mm – Too small ❌
(C) 25 cm – Correct ✅
(D) 25 km – Extremely large ❌

Final Answer:
The correct option is (C) 25 cm.