- #1
rohanlol7
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Homework Statement
Figure 1.1 shows an equilateral glass prism illuminated by a 100 W laser beam of wavelength λ = 600 nm. The refractive index of the glass of the prism is 1.50 at λ = 600 nm. The path of the light in the prism is parallel to the base of the prism. The momentum of a photon is h/ λ. Calculate the change in weight of the prism when the beam is switched on.( basically an equilateral triangle and a laser parralell to its base)
Homework Equations
P=nhf/t
v(1)/c=1/1.5
The Attempt at a Solution
I tried something which involved giving the photon a mass say M. and calculating the number of photons per unit time. I'm not sure how to continue.
I'm basically practicing for a contest but i don't have solutions available only questions