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

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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
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question_subject: 

Science

question_exam: 

NDA-I

stats: 

0,18,16,18,5,5,6

keywords: 

{'refractive index': [0, 1, 1, 5], 'glass': [0, 0, 1, 4], 'speed': [0, 1, 2, 0], 'light': [16, 4, 34, 62], '8s': [0, 0, 0, 2], 'air': [1, 0, 0, 0]}