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Why does it takes sometimes to see objec...

Why does it takes sometimes to see objects in a dim room when we enter the room from bright sunligth outside ?

Text Solution

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In bright light the size of the pupil is small to control the amount of light entering the eye. When we enter a dim room, it takes sometimes so that the pupil expands and allows more light to enter and helps to see things clearly.
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Knowledge Check

  • We can see an object only when

    A
    light falls on the object
    B
    light bounces back from the object
    C
    light falls on the object and bounces back from the object
    D
    light is not there in the room

  • When we see an object, the image formed on the retina is

    A
    (A) (C ) and (D)
    B
    (A) and (D)
    C
    (A) (D) and ( C)
    D
    (A) and (C )

  • Why are we getting shapes of shadows when the object is same?

    A
    Curved line path followed by light rays
    B
    straight line path followed by light rays
    C
    short line path contracted
    D
    long line light rays reflected

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