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A norml eye is unable to see objects at ...

A norml eye is unable to see objects at a distance less than distance of distinct vision. If is because

A

the focal length of the eye-lens is equal to the distance of distinct vision.

B

The distance between eye-lens and retina is equal to distance of distinct vision.

C

the eye-lens cannot decrease its focal length beyond a limit.

D

the eye-lens cannot decrease its distance from the retina beyond a limit.

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TARGET PUBLICATION-OPTICS-EXERCISE
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  3. A norml eye is unable to see objects at a distance less than distance ...

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  4. The clearity of image formed on retina of eye depends on the

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  5. A convex lens of the short focal length held very close to the eye, to...

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  6. The magnifying power of simple microscope is

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  7. A perosn using a lens as a simple microscope sees an

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  8. The magnifying power of simple microscope, when image is formed at DDV...

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  9. Magnification of simple microscope when image is at infinity is given ...

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  10. The magnifying power of simple microscope is maximum when image is for...

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  11. When a convex lens of 2.5 cm focal length is used as a magnifying glas...

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  12. The compound microscope is used to see

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  13. Compound microscope is NOT used in

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  14. The focal length of the eye-piece of compound microscope is

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  15. In compound microscope, the intermediate image is

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  16. The length (L) of compound microscope when final image is formed at D....

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  17. When the final image is formed at infinity the magnifying power of com...

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  18. Which of the following is NOT an expression for magnifying power of co...

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  19. A compound microscope has a magnifying power of 35. Assume that the fi...

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  20. Relative difference of focal lengths of objective and eye lens in the ...

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