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Shadows

Light, Shadows and Reflections
Physics
Class 6

Overview

Explain what is a shadow are and how are they formed. Define umbra and penumbra. Explain how various devices like a sundial work on the bases of shadow formation.

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What Exactly Are Shadows

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Related Questions to study

You have to cast the shadow of your pencil on the wall with the help of candle in a dark room. How can you obtain a shadow smaller in size than the pencil?
[You cannot use mirrors or lenses and assume the candle to be a point source of light]

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Nature of the shadow depends on :

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A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.

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Shadows are formed because:

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The color of the shadow of Green ball is:

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The length of the shadow will be longest when the

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The shadow below a tree has bright spots in it because:

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State the conditions for the formation of a shadow?

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Shadows are formed when light falls on transparent body. True or false.

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On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?

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