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Chapter 14 - Mirror and Lenses - 5
1.
Match the column..........................concave mirror
a) +f
b) a bundle of 30 optical fibres
c) chromatic aberration
d) prism
2.
Match the column..........................reciprocal of the focal length of a lens in meters
a) +f
b) totally reflecting prism
c) power of lens
d) chromatic aberration
3.
Match the column..........................the image formed is coloured and not well defined
a) a bundle of 30 optical fibres
b) power of lens
c) +f
d) chromatic aberration
4.
Match the column..........................cable
a) power of lens
b) chromatic aberration
c) +f
d) a bundle of 30 optical fibres
5.
Match the column..........................binocular
a) chromatic aberration
b) power of lens
c) prism
d) totally reflecting prism
6.
The angle of incidence is equal to the angle of ____________.
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7.
Spherical mirrors are of __________ types.
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8.
The diameter of a spherical mirror is known as the _______.
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9.
The principal focus of a concave mirror is a _________ focus.
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10.
The radius of curvature of a spherical mirror is ___________ of its focal length.
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11.
1/f=1/p+1/q is called __________ formula.
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12.
Foclal length of convex mirror is taken as ______.
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13.
Concave mirrors are used to throw lights on the slides of __________.
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