Question #a3009

1 Answer
A08
Dec 28, 2016

#59.0^@#, rounded to one decimal place.

Explanation:

If #theta_i# is polarizing angle and #theta_c# is critical angle for a medium, taking other medium as air for which refractive index#=1#, then the two are related via expression
#tantheta i=1/sintheta_c# ...........(1)
#=>theta_i=tan^-1(1/sintheta_c)#
Inserting given values we get
#theta_i=tan^-1(1/0.6)#
#theta_i=59.0^@#, rounded to one decimal place.

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