Question

Total internal reflection takes place when the light ray travels from.................

a) rarer to denser medium. b) rarer to rarer medium

c) denser to rarer medium. d) denser to denser medium

Answer 1

c)denser to rarer medium

Answer 2

Total internal reflections occurs only when

1) Light travels from optically denser medium to optically rarer medium .

2) The angle of incidence in the denser medium is greater than critical angle i> c

So correct option is "Option C"

Total internal reflection takes place when the light ray travels from Denser to rarer medium .

hope helped !