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Question-1
A solar eclipse occur only on a:
(A)
New moon day
(B)
Full moon day
(C)
Gibbous moon
(D)
Any time
Question-2
The darkest part of the shadow is:
(A)
Penumbra
(B)
Antumbra
(C)
Umbra
(D)
Ring
Question-3
Radius of curvature, r =
(A)
f/2
(B)
2f
(C)
2/3f
(D)
f
Question-4
An observer in the umbra experiences a:
(A)
Partial solar eclipse
(B)
Total solar eclipse
(C)
Partial lunar eclipse
(D)
Total lunar eclipse
Question-5
The distance of the spherical mirror from which reflection can takes place is called its:
(A)
Focal length
(B)
Pole
(C)
Aperture
(D)
Radius
Question-6
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-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
Which type of mirror is used in box-type solar cooker?
(A)
Spherical mirror
(B)
Convex mirror
(C)
Plane mirror
(D)
Concave mirror
Question-9
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-10
A centre of a spherical mirror is called the:
(A)
Centre of curvature
(B)
Pole of the mirror
(C)
Axis of the mirror
(D)
Center of perpendicular
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Cambridge Secondary Grade 6
IGCSE
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