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7th CBSE
IMPORTANT
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A convex mirror:

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Important Questions on Light

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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I
Concave mirrors are used:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I
A piece of transparent material which has one or two spherical surfaces, is called:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I

 The convex lens is sometimes called a converging lens, because:

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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I
Concave lens is also called diverging lens, because:
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I
The position of the rainbow in the sky is
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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q II

 When light travels in a straight line, it is called a _____ propagation of light.

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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q II

Absolutely still surface of the water can act like a _____.

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7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q II

A _____ lens is thicker in the middle and tapering at the edges.