Dear student Let angle of refraction be r so angle angle of incidence is (90-r) as shown in figure 1×sini=1 5sinr1×sin(90-r)=1 5sinr1×cosr=1 5sinrcotr=1 5r=cot-1(1 5)=33 69°Regards

Pls answer fast

Dear student

L e t a n g l e o f r e f r a c t i o n b e r s o a n g l e a n g l e o f i n c i d e n c e i s (90 - r) a s s h o w n i n f i g u r e . 1 \times \sin i = 1.5 \sin r 1 \times \sin (90 - r) = 1.5 \sin r 1 \times \cos r = 1.5 \sin r c o t r = 1.5 r = c o t^{- 1} (1.5) = 33.69 ° R e g a r d s

View Full Answer