Question

find 2 very short and 1 short questions from this page ​

Answer 1

VERY SHORT ANSWER

1.Uses of lens.

SHORT

1.Difference of convex and concave lens.

2.examples of Convex and concave lens.

Answer 2

Answer:

1.= where are lenses used?

2.= convex mirror is used as _________ mirror.

3.= draw a diagram of concave lens and convex lens.

4.= magnifying glass is used to read ___________ type of letters.

Explanation:

there answers as following:-

1.= lenses are widely used in spectacles, telescope and microscope.

2.= side/rear view

3.= ( fig. 15.22 same)

4.= very small

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