EASY
7th CBSE
IMPORTANT
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A concave mirror cannot be used as:
(a)a magnifying mirror
(b)a torch reflector
(c)a dentist’s mirror
(d)a rear view mirror

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Important Questions on Light
EASY
7th CBSE
IMPORTANT
Which of the following mirror can form a real image of an object?

EASY
7th CBSE
IMPORTANT
The mirror which can form a magnified image of an object is _____.

EASY
7th CBSE
IMPORTANT
An object is placed at a distance of from a convex lens of focal length . The image obtained on the screen is:

EASY
7th CBSE
IMPORTANT
When an object is kept at any distance in front of a concave lens, the image formed is always:

EASY
7th CBSE
IMPORTANT
A. Concave mirror
B. Concave lens
C. Convex mirror
D. Convex lens

EASY
7th CBSE
IMPORTANT
The splitting up of white light into seven colours on passing through a glass prism is called:

EASY
7th CBSE
IMPORTANT

EASY
7th CBSE
IMPORTANT
A concave mirror has a focal length of . At which of the following distance should an object be placed so that it may form a virtual, erect and magnified image?
