The diagram shows rays of light from a point source, P, that reach a detector, D, along two paths. One path is a straight line, while the other is bent by reflection off a mirror. What is the value of b, correct to one decimal place? Assume that all the points in the diagram lie in the same plane.




5.4



4.2



3.6



2.8

Respuesta :

The answer is C) B = 3.6.

Hope this helps and p.s. I have done this before.

Answer:

The answer is C) B = 3.6.

Step-by-step explanation:

I took the test and got 5/5 correct on the test

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