Q: 3 (NDA-I/2014)

If speed of light in air is 3 x 10^8s m/s, the speed of light in glass (with refractive index
1.5) would be
question_subject: 
Science
question_year: 
2014
question_exam: 
NDA-I
stats: 
0,240,336,240,104,120,112