(Answered) 1 what are three basic laws of geometric optics2 proof

Engineering

1. What are three basic laws of geometric optics?

2. Proof refraction law by using Fermat's principle.

3. Two flat mirrors have an angle 45 deg. Please find the number of images in this case.

4. The height of a person is 1.8 m. To get a full image of this person, what is the minimum size of a flat mirror?

5. Looking into the bowl of a spherical shape soupspoon, a man standing 25 cm away sees his image reflected with a magnification of -0.064. Determine the radius of curvature of the spoon.

6. A car has a convex front mirror with a radius of curvature 2 cm. If a second car has a size of 3 m and is 10 m behind this car, calculate:
a. The size of the image
b. Real or virtual image?
c. Erect or inverted?

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