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

Question-1
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-2
Shaving mirror is a

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

Question-3
In a concave mirror, if the position of the object is at infinity then the image is

(A) at focus	(B) between focus and pole
(C) infinity	(D) at the centre of curvature

Question-4
Concave mirrors used in

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

Question-5
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-6
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-7
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-8
Rear-view mirrors of a car is a

(A) Concave mirror	(B) Plane mirror
(C) Convex mirror	(D) Bi -concave mirror

Question-9
Focal length F =

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

Question-10
A spherical mirror whose outer surface is the reflecting surface is called

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

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Std 7

ICSE/ISC

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