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As you may have learned when studying the properties of thermal energy, building contractors often install...

As you may have learned when studying the properties of thermal energy, building contractors often install double-glazed windows to prevent thermal energy (\"heat\") from entering/exiting the building. Although effective as insulators, such windows present interesting optical effects. In the figure, a double-glazed window comprises two identical panes of glass (ng = 1.44) separated by an air gap. If the light encounters the glass at an angle of 40.00

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Expert Solution

Lateral Shift = t *sin(i-r)/cosr

Where t = thichness

i = angle of incidence from normal

r = angle of reflection from mormal

and Snell law

Sin( i) /Sin(r) = n21

n21 = refractive index with respect to the medium through which it is entering

according to snell law

r = 32.13

So lateral shift due to 1 glass is 7.97mm

and it will come out in air between galss at the same angle of intial incidence so it will again strike at the same angle of intial incidence so all the data is same and same procedure we have to follow and we will get same value of lateral shift due to 2nd glass = 7.97mm

so total lateal shift = 15.94mm

genius_generous answered 2 years ago
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