Question

What physical quantity can be found in an experiment done with prism

Answer 1

The smallest, the ultimate , the basic single photon of light contains same energy equal to h, the plank’s constant irrespective of its frequency. It is the minimum energy practically possible.

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Answer 2

It is simple , if we know angle of prism (A) and incident a light ray with known angle (i)

We can get

1) angle of emergence (e)

2) angle of deviation (D)

And from both above quantities we can get refractive index of prism

From the following formula:-

Sin{(A+D)/2} / Sin(A/2) = n (refractive index)