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Assertion (A) : In a motion picture, usually 24 frames are projected every second over the whole length of the film. 

Reason (R) : An image formed on the retina of eye persists for about 0.1 s after the removal of stimulus.

Codes: 

(a) Both A and R are true and R is the correct explanation of A 

(b) Both A and R are true but R is not a correct explanation of A 

(c) A is true but R is false 

(d) A is false but R is true

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(c) A is correct but an image formed on the retina of eye persists for about 1/16 sec(0.06 sec) after it changes.

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