If still images of a moving object are flashed on the eye at a rate faster than $16 / s$ , then the eye perceives the object as moving.This is because:

our brain can remember things only upto

16 s

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after seeing an object, our eyes remain closed for the next

16 s

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the impression of an object persists on retina for about

\frac{1}{16} s

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all the above are true

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Solution

The correct option is C the impression of an object persists on retina for about $\frac{1}{16} s$
The image formed on the retina of eye does not fade away instantaneously. Its impression remains on retina for about $\frac{1}{16} s$ , even after the removal of a object.

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Similar questions

What is the rate at which still images of a moving object are flashed on the eye so that the eye perceives that object as moving? Where is this idea applied in our life?
[2 MARKS]

Fill in the following blanks with suitable words:

(a) The angle of ................... equals the angle of reflection.

(b) A person 1 m in front of a plane mirror seems to be ................... m away from his image.

(c) If you touch your ................... ear with right hand in front of a plane mirror, it will be seen in the mirror that your right ear is touched with ...................

(d) The size of pupil becomes ................... when you see in dim light.

(e) Night birds have ...................cones than rods in their eyes.

(f) The image of an object persists on the retina of an eye for about ................... second even after the object has disappeared.

(g) If the still pictures of a moving object are flashed on our eyes at a rate faster than ................... pictures per second,the eye perceives the object as moving.

(i) In a movie, the still pictures in proper sequence are projected on the screen usually at the rate of ................... pictures per second.

Q. Persistence of vision is the time for which the sensation of an object remains in the eye even after the object is removed. It is about _____ times of one second for a normal human eye.

Q. The maximum focal length of the eye-lens of a person is greater than its distance from the retina. The eye is
(a) always strained in looking at an object
(b) strained for objects at large distances only
(c) strained for objects at short distances only
(d) unstrained for all distances

Q. The image of an object formed on the retina of the eye is

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If still images of a moving object are flashed on the eye at a rate faster than 16/s, then the eye perceives the object as moving.This is because:

The correct option is C the impression of an object persists on retina for about 116sThe image formed on the retina of eye does not fade away instantaneously. Its impression remains on retina for about 116 s, even after the removal of a object.

If still images of a moving object are flashed on the eye at a rate faster than $16 / s$ , then the eye perceives the object as moving.This is because:

The correct option is C the impression of an object persists on retina for about $\frac{1}{16} s$
The image formed on the retina of eye does not fade away instantaneously. Its impression remains on retina for about $\frac{1}{16} s$ , even after the removal of a object.