A small coin is resting on the bottom of a beaker filled with liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface. How fast is the light travelling in the liquid?

1. A. 2.4 10 8 m/s
2. B. 3.0 10 8 m/s
3. C. 1.2 10 8 m/s
4. D. 1.8 10 8 m/s

Attempt this NEET 2007 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.