EASY
7th Jammu and Kashmir Board
IMPORTANT
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A concave mirror always forms a real image.

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Important Questions on Light

MEDIUM
7th Jammu and Kashmir Board
IMPORTANT

Match the items given in Column I with one or more items of Column II.

Column I

Column II

(A) A plane mirror

(i) Used as a magnifying glass.

(B) A convex mirror

(ii) Can form the image of objects spreads over a large area.

(C) A convex lens

(iii) Used by dentists to see an enlarged image of teeth.

(D) A concave mirror

(iv) The image is always inverted and magnified.

(E) A concave lens

(v) The image is erect and of the same size as the object.

 

(vi) The image is erect and smaller than the object.

MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
State the characteristics of the image formed by a plane mirror.
EASY
7th Jammu and Kashmir Board
IMPORTANT
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
What is a virtual image? Give one situation where a virtual image is formed.
EASY
7th Jammu and Kashmir Board
IMPORTANT
State two differences between a convex and a concave lens.
EASY
7th Jammu and Kashmir Board
IMPORTANT
Give one use each of a concave and a convex mirror.
MEDIUM
7th Jammu and Kashmir Board
IMPORTANT
Which type of mirror can form a real image?
EASY
7th Jammu and Kashmir Board
IMPORTANT
A virtual image larger than the object can be produced by a