Question

4. A coin, Kopt of the bottom of an empty doy cup, ,
appears to rise op when some water is poured
into the cup.
So when while light is dispered by a glass poisma
the yellow colour in it'y bends more than the
blue colour. Salsa
c. Dich marks. 02. 28100 X gura
1.
Which of the following conditions is not necessary
for a change in the direction of poppagation when
a light say goes from one medium to another ?​

Answer 1

Answer:

o

Explanatiojn: