ICSE/ISC Std 7 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Shaving mirror is a

(A) Convex lens	(B) Concave lens
(C) Convex mirror	(D) Concave mirror

Question-2
In a concave mirror, a ray parallel to the principal axis after reflection passes through the

(A) Principal focus	(B) Infinity
(C) Centre of curvature	(D) Pole of the mirror

Question-3
The radius of the hollow sphere of which the spherical mirror is part. is called

(A) Aperture	(B) Centre of curvature
(C) Radius of curvature	(D) Pole

Question-4
A spherical mirror whose inner surface is the reflecting surface is called

(A) Convex mirror	(B) Concave mirror
(C) Convex lens	(D) Concave lens

Question-5
Focal length F =

(A) 2r	(B)
(C)	(D)

Question-6
In a concave mirror, the image formed at infinity when the object is at

(A) Infinity	(B) At focus
(C) At centre of curvature	(D) Between focus and pole

Question-7
Image formed by a convex mirror is

(A) Real, inverted and small	(B) Virtual, erect and enlarged
(C) Virtual, erect and diminished	(D) Real,erect,enlarged

Question-8
In concave mirror, virtual image is formed when the object is at

(A) Centre of curvature	(B) Between the focus and pole
(C) Beyond the centre of curvature	(D) At infinity

Question-9
A spherical mirror whose outer surface is the reflecting surface is called

(A) Concave mirror	(B) Convex mirror
(C) Plane mirror	(D) Spherical mirror

Question-10
Concave mirrors used in

(A) Telescope	(B) Light-house headlights
(C) Make-up mirrors	(D) All of these

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Std 7

ICSE/ISC

Practice in Related Chapters
Reflection of Light
Light and Shadows
Heat
Sound
Measurement
Motion
Electricity