Question

Define: (i) Power of accomodation
(ii) Persistence of vision
(iii) Near point

For 3 Marks

Answer 1

Explanation:

power of accommodation: the ability of eyes to see nearby and faraway objects.

near point: nearest point from the eye from which an object can be seen clearly without any strain.

Your eye and brain retain a visual impression for about 1/30 of a second. (The exact time depends on the brightness of the image.) This ability to retain an image is known as persistence of vision

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