School Connect Online provided NCERT Solution will help students get a comprehensive understanding of the concepts. Studying this chapter will help you in scoring good marks in your class 6 also important for the preparation of Olympiads.NCERT Solutions for Class 6 Science Chapter 11 Light Shadows and Reflection

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NCERT Solutions for Class 6 Science Chapter 11 Light Shadows and Reflection

1. Rearrange the boxes given below to make a sentence that helps us understand opaque objects.

Ans :

2. Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:

Air, water, a piece of rock, a sheet of aluminum, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, firefly, the moon.

Ans :

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?

Ans :

Yes, there are many things which give a circular shadow if held in one way and a rectangular shadow if held in another way. For example: a cylinder, a circular disc etc.

(a). Getting circular shadow with a cylinder

(b). Getting a rectangular shadow with a cylinder.

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?

Ans :

No, in a completely dark room no image will be formed because there is no light in the room so no reflection of light takes place and no image will be formed.

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