MEDIUM
7th CBSE
IMPORTANT
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A  (concave / convex) lens can produce both real and virtual images.

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Important Questions on Light and Reflection

MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 5
The colours of the rainbow are arranged in a specific order called light _____ (spectrum / dipersion).
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 1
Light is also reflected by the surface of the water.
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 2
A pinhole camera forms a virtual image.
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7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 3
The line passing through the pole and the centre of curvature is called the principal axis. 
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 4
Convex mirrors are used in torches and headlights of vehicles. 
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 5
A concave lens can produce both real and virtual images. 
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 1
Which form of energy enables us to see things? 
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 2
What is the phenomenon of bouncing back of light after striking a polished surface called?