Multiple Choice Question III — task. Science CBSE, Class 10.

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1. The image on the retina remains for

$\frac{1}{16}$ th of sec. This is called as:

(a) Accomodation
(b) Persistence of vision
(c) Power of lens
(d) Both (a) and (b)

2. In which of the following, does light travel the fastest?

Oil
Water
Air
Paper

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