Optics Review Questions

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Questions

Use this image to answer the question below.

The arrows on the left side represent the object. The arrows on the right side, the image. The vertical lines in the middle represent the mirror.

1. Which among the figures is/are using a convex mirror? *

Figures 1 & 3

Figures 2 & 3

Figure 1 Only

Figure 3 only

2. If the diaphragm of a camera and the iris of the eye were having the same function, what function would they have? *

Block the passage of light

Regulate the amount of light

Form the image of the object

Enlarge the image of an object

3. What function does the retina of the eye and film of a camera have in common? *

Permit light to enter the eye

Enlarge the image received

Receive the image of an object

Regulate the amount of light that enters the eye

4. A farsighted person can only see clearly and sharply objects that are distant but not near objects. Where is the image of the near object that he sees being formed? *

Behind the retina

In front of the retina

At the side of the retina

On the surface of the retina

5. What lens could correct the vision defect of a nearsighted person? *

Bifocal glasses with two lenses that ensure clarity of the image

Polaroid glasses that eliminate glare of light

Converging lens

Diverging lens

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