NEET 2015 Physics and Chemistry Paper

for no emergence i>C.
sin‌i>sin‌C
⇒‌

1

√2

>‌

1

µ

⇒µ>√2=1.414
As µ‌red ‌(=1.39)<µ(=1.414) while µ‌green ‌(=1.44) and µ‌blue ‌(=1.47)>µ(=1.414), so only red colour will be transmitted through face AC while green and blue colours will suffer total internal reflection.
So the prism will separate red colour from the green and blue colours.