### Chapter 14 - Mirror and Lenses - 5

 1. Match the column..........................concave mirrora) +f b) a bundle of 30 optical fibresc) chromatic aberrationd) prism
 2. Match the column..........................reciprocal of the focal length of a lens in metersa) +f b) totally reflecting prismc) power of lensd) chromatic aberration
 3. Match the column..........................the image formed is coloured and not well defineda) a bundle of 30 optical fibres b) power of lensc) +fd) chromatic aberration
 4. Match the column..........................cablea) power of lens b) chromatic aberrationc) +fd) a bundle of 30 optical fibres
 5. Match the column..........................binoculara) chromatic aberration b) power of lensc) prismd) totally reflecting prism
 6. The angle of incidence is equal to the angle of ____________.Click here to enter your answer!
 7. Spherical mirrors are of __________ types.Click here to enter your answer!
 8. The diameter of a spherical mirror is known as the _______.Click here to enter your answer!
 9. The principal focus of a concave mirror is a _________ focus.Click here to enter your answer!
 10. The radius of curvature of a spherical mirror is ___________ of its focal length.Click here to enter your answer!
 11. 1/f=1/p+1/q is called __________ formula.Click here to enter your answer!
 12. Foclal length of convex mirror is taken as ______.Click here to enter your answer!
 13. Concave mirrors are used to throw lights on the slides of __________.Click here to enter your answer!

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