CBSE Class 10 Answered
why normal can see only 25cm
Asked by nazirwagay1 | 17 Apr, 2020, 08:17: PM
Expert Answer
For normal human eye, 25 cm is the least distance of distinct vision. Thus, whenever the object is placed at distance less than 25 cm the image of the object formed on retina will not be distinct.
The focal length of the human eye cannot decrease than this minimum limit.
Thus, normal human eye cannot see objects placed before 25 cm.
All objects are visible distinctly and clearly to normal human eye whenever an object is placed at distance of 25 cm and more than 25 cm.
Answered by Shiwani Sawant | 17 Apr, 2020, 09:32: PM
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