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Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
Concept: undefined >> undefined
Fill in the blank.
Light gives us the sensation of ................
Concept: undefined >> undefined
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Fill in the blank.
The sun is a ............... source of light.
Concept: undefined >> undefined
Fill in the blank
A medium through which light cannot pass is called the ....................
Concept: undefined >> undefined
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Concept: undefined >> undefined
Fill in the blank.
Moon is a .................. body.
Concept: undefined >> undefined
Fill in the blank.
Light travels in a ................. path.
Concept: undefined >> undefined
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
Concept: undefined >> undefined
Select the correct alternative.
The natural source of light is
Concept: undefined >> undefined
Select the correct alternative.
The luminous body is
Concept: undefined >> undefined
How does light make an object visible?
Concept: undefined >> undefined
List two artificial sources of light.
Concept: undefined >> undefined
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Concept: undefined >> undefined
What do we call a body that shines on its own?
Concept: undefined >> undefined
What do we call an electric bulb producing light?
Concept: undefined >> undefined
What is a transparent medium? Give two examples.
Concept: undefined >> undefined
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
Concept: undefined >> undefined
