Question

the speed of light in air is 3 x 10^8m/sec and speed of light in glass in 2x10^8m/sec which is rarer medium

A) glass
B)air
C) both A and B
D) can't say​

Answer 1

Answer:

c both a and b is the correct answer in this question

Answer 2

Air is the rearer medium bcoz the speed of light in air is greater than speed of light in glass