Q37 of 112 Page 310

What happens to the size of the pupil of our eye in dim light?

In dim light the size of the pupil of our eye becomes larger or dilates to increase the amount of light going inside the eye. This dilation in size is facilitated by the muscles of iris.


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35

Which part of the eye gives it its distinctive color?

 36

Write the names of the main parts of the human eye.

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What happens to the size of the pupil of our eye in bright light?

 39

State whether the following statements are true or false:

(a) The moon is an illuminated object.


(b) Diffuse reflection means the failure of the laws of reflection of light.


(c) In a kaleidoscope, a pattern seen once can never be seen again.