Chapter 14 - Mirror and Lenses - 3


1. Concave mirrors are used as shaving mirrors are




2. The refractive index of air is




3. When a ray of light passes from a denser to a rare medium the refracted ray bends




4. A prism which has one of its angle equal to 90 degree and each of the remaining two angles are equal to 45 degree is called




5. Totally reflecting prism is placed in front of a




6. White light splits up into colours




7. A normal eye can see objects clearly at a distance from the eye equal to




8. There are main defects of human eye




9. The primary rainbow light suffers




10. Match the column..........................diamond




11. Match the column..........................light travels




12. Match the column..........................the centre of a mirror




13. Match the column..........................q/p







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