If a ray of light propagating in air strikes a glass sab at an angle of 60° with the surface of the glass sab, the angle of refraction is_______.
Here, the answer is less than 30°.
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The answer is 40°
Refractive index of glass is 1.5
And angle of incidence is 60°
So angle of refraction will be 60/1.5
Which is 40°
hope this helps you
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