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March 30, 2015

March 30, 2015

Posted by **Celina** on Saturday, April 7, 2012 at 4:14pm.

What is the value of critical angle for this glass?

Thank you :)

- Physics -
**Elena**, Saturday, April 7, 2012 at 4:41pmn = sini/sinr =sin 50o/sin 30o =0.766/0.5 = 1.53.

n = sini/sinr =sin 50o/sin 30o =0.766/0.5 = 1.53

α = arcsin (n1/n2) = arcsin (1/1.53) = 40.81o.

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