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Question-1
A mirror in which the inner hollow surface is the reflecting surface is called :
(A)
Convex mirror
(B)
Concave mirror
(C)
Plane mirror
(D)
None of these
Question-2
What occurs when the tip of the umbra falls on the earth?
(A)
Partial solar eclipse
(B)
Partial lunar eclipse
(C)
Annular solar eclipse
(D)
All of these
Question-3
A glowing electric bulb is an example for:
(A)
Point source of light
(B)
Extended source of light
(C)
Ray of light
(D)
Focus of light
Question-4
Plane mirror are used in:
(A)
Telescope
(B)
Periscope
(C)
Joulemeter
(D)
Ammeter
Question-5
A pinhole camera is based on the principle of:
(A)
Scattering of light
(B)
Refraction of light
(C)
Rectilinear propagation of light
(D)
Radiation of light
Question-6
Rays of light always travel in a straight line.This phenomenon is called:
(A)
Total internal reflection
(B)
Rectilinear propagation
(C)
Scattering of light
(D)
Radiation of light
Question-7
A lunar eclipse does not occur on:
(A)
New moon day
(B)
Every full moon night
(C)
Gibbous moon
(D)
Any day
Question-8
Radius of curvature, r =
(A)
f/2
(B)
2f
(C)
2/3f
(D)
f
Question-9
An image formed by a plane mirror is a/an:
(A)
Arial image
(B)
Virtual image
(C)
Inverted image
(D)
No image
Question-10
The distance of the spherical mirror from which reflection can takes place is called its:
(A)
Focal length
(B)
Pole
(C)
Aperture
(D)
Radius
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Cambridge Secondary Grade 6
IGCSE
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