Science
A ray of light travelling in air enters obliquely into water. Does the light ray bend towards the normal or away from the normal? Why?
Refraction Lens
6 Likes
Answer
The light ray bends towards the normal because when a light ray enters from an optically rarer medium (which has a low refractive index i.e., air) to an optically denser medium (which has a high refractive index i.e., water), its speed slows down and it bends towards the normal.
Answered By
2 Likes
Related Questions
Find the focal length of a convex mirror whose radius of curvature is 32 cm.
A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?
Light enters from air to glass, having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 x 108 ms-1.
Find out, from Table 9.3, the medium having the highest optical density. Also, find the medium with the lowest optical density.
S.
No.Material Medium Refractive Index 1. Air 1.0003 2. Ice 1.31 3. Water 1.33 4. Alcohol 1.36 5. Kerosene 1.44 6. Fused quartz 1.46 7. Turpentine oil 1.47 8. Benzene 1.50 9. Crown glass 1.52 10. Canada Balsam 1.53 11. Rock salt 1.54 12. Carbon disulphide 1.63 13. Dense flint glass 1.65 14. Ruby 1.71 15. Sapphire 1.77 16. Diamond 2.42