Near and far points of healthy human eye respectively are :

0

25 c m

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0

infinity

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25 c m

100 c m

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25 c m

infinity

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Solution

The correct option is D $25 c m$ , $infinity$
The average value of the least distance for a clear vision for a normal eye is $25 c m$ and maximum distance is $infinity$ .
Hence, the correct option is D.

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Similar questions

Name the defect of vision in a person

a) whose near point is more than 25cm away

b) whose far point is less than infinity

Near and Far points of a healthy human eye are:

Q. Near point of a normal eye is 25cm.

A simple microscope has a magnifying power of 3.0 when the image in formed at the near point (25 cm) of a normal eye. (a) What is its focal length? (b) What will be its magnifying power if the image is formed at infinity?

Q. A short-sighted person has a near point of 15 cm and a far point of 40 cm.
(a) Can he see clearly an object at a distance of:
(i) 5 cm?
(ii) 25 cm?
(iii) 50 cm?
(b) To see clearly an object at infinity, what kind of spectacle lenses does he need?

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Near and far points of healthy human eye respectively are :

The correct option is D 25cm , infinityThe average value of the least distance for a clear vision for a normal eye is 25cm and maximum distance is infinity. Hence, the correct option is D.

The correct option is D $25 c m$ , $infinity$
The average value of the least distance for a clear vision for a normal eye is $25 c m$ and maximum distance is $infinity$ .
Hence, the correct option is D.