Shadows
Shadows: Overview
This Topic covers sub-topics such as Shadows, Formation of Shadows and, Formation of Shadows Using Opaque Object
Important Questions on Shadows
A shadow can be obtained when there is
What is the difference between the shadow of transparent, translucent and opaque objects?
Look at the picture. Can you tell what time of the day is it?
Deepu is of the opinion that solar and lunar eclipses occur because the earth and the moon are opaque. Do you agree with this? Explain.
Transparent objects do not cast shadows.
Hand gestures can be used to make faces of different animals and projected as shadows. Identify the animal given here. It is a four-letter word and the word starts with the letter B.
Hand gestures can be used to make faces of different animals and projected as shadows. Identify the animal given here.
Hand gestures can be used to make faces of different animals and projected as shadows. Identify the animal given here. It is a four-letter word and the word starts with the letter C.
Hand gestures can be used to make faces of different animals and projected as shadows. Identify the animal given here. It is a three-letter word, and it starts with the letter D.
Name the property of light illustrated by shadow. (Rectilinear propagation/Refraction)
The size of shadow decreases; if the _____ is close to the screen and away from the source of light.
You are standing in a field on a dark night. Why can you not see your shadow?
Match the columns.
| Column A | Column B |
| a. Shadow | (i) Artificial source of light |
| b. Candle | (ii) Natural source of light |
| c. Transparent | (iii) Caused by shadow of earth or moon |
| d. Eclipse | (iv) Path of light blocked |
| e. Glowworm | (v) Can see clearly through it |
Shadows are formed because light travels in straight lines.
Shadow formed due to smaller source of light has
What is the colour of the shadow of an object?
Which type of objects form very dark shadows? (Option: Translucent, Opaque, Transparent)
Will a shadow be formed when there is no source of light? (Yes/No)
What will be the colour of the shadow of an object which is blue in colour?
Which of the following determines the kind of shadow that will be formed?
