NCERT Class VI Science Solutions: Chapter 11-Light, Shadows and Reflections Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 3:

Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?

Answer:

A cylinder object can cast shadows in two ways. When the top circular view faces the shining object, a circular shape shadow is formed. When its curved side faces the shining object, it casts a rectangular shadow.

Picture Shows Getting Circular Shadow with a Cylinder

Question 4:

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

Answer:

No, to see the reflection, source of light is required. We can see only in the presence of light.