Chapter 14 - Mirror and Lenses - 5


1. Match the column..........................concave mirror




2. Match the column..........................reciprocal of the focal length of a lens in meters




3. Match the column..........................the image formed is coloured and not well defined




4. Match the column..........................cable




5. Match the column..........................binocular




6. The angle of incidence is equal to the angle of ____________.


7. Spherical mirrors are of __________ types.


8. The diameter of a spherical mirror is known as the _______.


9. The principal focus of a concave mirror is a _________ focus.


10. The radius of curvature of a spherical mirror is ___________ of its focal length.


11. 1/f=1/p+1/q is called __________ formula.


12. Foclal length of convex mirror is taken as ______.


13. Concave mirrors are used to throw lights on the slides of __________.





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