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Q.

Is it true that it takes some time to see the objects in a dark room when we enter the room from the bright sunshine outside?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
In bright sunlight, the pupil of our eye becomes small. When we enter a dark room just after coming from the bright sunshine, the small pupil does not allow much light to enter our eyes. After a short time, when our pupil expands and becomes large, much light can enter our eyes, and we can see the objects properly.
 
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