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The image shows a ray of light bending at the boundary of a glass block. According to a law of optics, = n, where n is a constant. Which equation states the same law in terms of a and b?

The image shows a ray of light bending at the boundary of a glass block According to a law of optics n where n is a constant Which equation states the same law class=
The image shows a ray of light bending at the boundary of a glass block According to a law of optics n where n is a constant Which equation states the same law class=

Respuesta :

The formula for the light bend would be n1*sin i= n2 * sin r

If you use "sin (90-x)= cos x" principle, you can change the sin in the equation into
n1*sin i= n2 * sin r
n1 * cos a= n2 * cos b
n2/n1= cos a/ cos b

Assuming the n constant is the ratio of the glass compared to water then the answer would be: cos a/ cos b

Answer:

C

Step-by-step explanation:

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