For given medium, the polarising angle is `60^(@)`. What will be the critical angle for this medium ?

Explanation

Here `i_p=60^@`
Thus, `mu= tan i_p= tan60^@=sqrt3`
IF `i_c` is the critical angle for the medium
`mu=1/(sini_c)orsini_c=1/mu=1/sqrt3`
`or sin i_c=0.5774 or i_c=35^@16'`