Which lens aberration is a result of asymmetries in the focusing? a. Chromatic.

Question

Which lens aberration is a result of asymmetries in the focusing? a. Chromatic. b. Coma. c. Spherical. d. Astigmatism.

What happens to a light wave when it is reflected off the surface of a material with a higher index of refraction?

It reflects with its phase shifted by .

It reflects with its phase unshifted.

The phase shift is proportional to the angle of reflection.

It reflects with its phase shifted by /2.

It reflects with its phase shifted by .

It reflects with its phase unshifted.

The phase shift is proportional to the angle of reflection.

It reflects with its phase shifted by /2.

Explanation / Answer

1.a chromatic

2.a phase shifted by pi if n2>n1

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