Please answer all questions with the correct Letter of the answer for each quest

Question

Please answer all questions with the correct Letter of the answer for each question please.

1. What makes the light through a convex lens converge at a point?

A. The material of the lens is different at different points

B. The lens colors the light differently at the ends, and thus moves at an angle like a prism.

C. The lens curves to deflect the light inward

D. The lens glass magnifies at different points on its radius

2. Galileo's telescope was of what type?.

A. Reflecting

B. Refracting

3. For a particular lens the focal length will change if:

A. The distance between the objective changes

B. The lens is moved

C. The distance to the viewer changes

D. It is physically altered

4. A telescope has a focal point 2 centimeters beyond the person's eye. The image will appear

A. Upside down

B. Backwards

C. unclear and fuzzy

D. Reverse image

Explanation / Answer

Q.1. The lens colors the light differently at the ends, and thus moves at an angle like a prism.

Q.2. Galileo's telescope was refracting.

Q.3. focal length will change if it is physically altered.

Q.4. The image will appear unclear and fuzzy.

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