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What happens to the image distance in th...

What happens to the image distance in the normal human eye when we decrease the
distance of an object, say 10 m to 1 m? Justify your answer.

Text Solution

Verified by Experts

There will be no change in the image distance in the normal human eye. This is because the
image is always formed on the retina.
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Knowledge Check

  • The image distance from the eye lens in the normal eye when we increase the distance of an object from the eye

    A
    increases.
    B
    decreases
    C
    remains unchanged.
    D
    depends on the size of the eyeball

  • Assertion: The image distance in the eye increases, when we increase the distance of an object from the eye. Reason: For normal eye, image distance in the eye is fixed, being equal to distance of retina from the eye lens. The focal length of the eye lens is changed on account of accommodation power of the eye.

    A
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion
    B
    If both Assertion and Reason are true and Reason is not the correct explanation of Assertion
    C
    If Assertion is true, but Reason is false.
    D
    If Assertion is false, but Reason is true.

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