A) Which of the following was a conclusion resulting from analysis of the Michel

Question

A) Which of the following was a conclusion resulting from analysis of the Michelson-Morley experiment?

1. When a source of light moves towards you, the light's speed relative to you is larger.
2. If there is an ether through which electromagnetic waves travel, it has absolutely zero measureable effect on anything.
3. Two of the other answers are correct.
4. When you move towards a source of light, the light's speed relative to you is larger.

B) In thin film interference, there are three media with indices of refraction n1, n2<m> and <m>n3. If n1 < n2 < n3 then which of the following is true?
1. The reflection-induced phase shift is radians.
2. The reflection-induced phase shift is /2 radians.
3. There is no reflection-induced phase shift.
4. The reflection-induced phase shift is 2 radians.

C) When light reflects off a surface, the reflected ray is inherently shifted by /2 radians if which of the following is true?
1. n1 > n2
2. n1 = n2
3. n1 < n2
4. The phase shift happens in all reflections.

Explanation / Answer

A. 2.

B. 4. Shift of 180 degrees after each reflection.

C. 4. The phase shift of 180 degrees happens in all reflections.

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