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secondary 4 | E Maths
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can anyone help with part c
Date Posted: 4 years ago
Views: 388
You need to find the critical angle of the glass semicircle which is sin inverse of (1/1.5), which should be around 41.8.
If the angle of incidence theta > 41.8, total internal reflection occurs.
So 10 degrees will refract out while 60 degrees will undergo reflection.
If the angle of incidence theta > 41.8, total internal reflection occurs.
So 10 degrees will refract out while 60 degrees will undergo reflection.
thanks broo!!! i understand now :))
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Hope it helped
Date Posted:
4 years ago
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