(B) The $iris$ is a dark muscular diaphragm that controls the size of the $pupil$. The $pupil$ regulates and controls the amount of light entering the

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(B) The $iris$ is a dark muscular diaphragm that controls the size of the $pupil$. The $pupil$ regulates and controls the amount of light entering the eye by adjusting its size based on the intensity of light present in the environment.

Class 10 Science The Human Eye and the Colourful World Mix Examples - The Human Eye and the Colourful World

Easy

Which part of the eye controls the amount of light entering the eye?

A
Iris
B
Pupil
C
Cornea
D
Retina

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Class 10

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Chapter

The Human Eye and the Colourful World

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Mix Examples - The Human Eye and the Colourful World

Name the outermost layer of the eye. What is its function?

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Mention the factor on which scattering of light depends. Why does the sky appear dark in space?

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Chickens can see only in bright light. What type of cells is present in their retina?

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What is long-sightedness (hypermetropia)? List two causes for the development of long-sightedness. Describe with a ray diagram how this defect may be corrected by using spectacles.

Medium

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How are we able to see nearby and also the distant objects clearly?

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Which part of the eye controls the amount of light entering the eye?

Similar Questions

Name the outermost layer of the eye. What is its function?

Mention the factor on which scattering of light depends. Why does the sky appear dark in space?

Chickens can see only in bright light. What type of cells is present in their retina?

What is long-sightedness (hypermetropia)? List two causes for the development of long-sightedness. Describe with a ray diagram how this defect may be corrected by using spectacles.

How are we able to see nearby and also the distant objects clearly?

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