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Dispersion of Light and Rainbow Formation

9 Questions

2 Views

Dispersion of Light and Rainbow Formation

Created by

@FruitfulNarcissus

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Questions and Answers

What is the main function of the cornea in the eye?

To refract light rays (correct)

To give the eye its distinctive color

To protect the interior of the eye from injuries

To control the amount of light entering the eye

Which part of the eye controls the size of the pupil?

Sclera

Retina

Lens

Iris (correct)

What is the function of the lens in the eye?

To provide distinctive color to the iris

To focus light on the retina (correct)

To control the amount of light entering the eye

To protect the retina from injuries

How does a rainbow form according to the text?

<p>Due to the dispersion of white light by tiny drops of water</p> Signup and view all the answers

What is the function of the optic nerve in the eye?

<p>Transmit sensations felt by nerve cells to the brain</p> Signup and view all the answers

Which cells in the retina are sensitive to dim light and sense black and white?

<p>Rods</p> Signup and view all the answers

What is the purpose of eyelids and eyelashes in protecting the eyes?

<p>Trap dust particles</p> Signup and view all the answers

What is the blind spot in the eye?

<p>An area where vision is not possible due to lack of sensory cells</p> Signup and view all the answers

What is persistance of vision as described in the text?

<p>The eye's ability to maintain visual sensation for a fraction of a second after an object is removed</p> Signup and view all the answers

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