Advertisements
Advertisements
Question
Answer the following.
Differentiate between luminous and non-Luminous objects.
Advertisements
Solution
Luminous
The bodies which have the light of their own e.g. sun stars, bulb, candle, oil lamp, torch, a lantern.
Non-Luminous
The bodies-which do not have their own light. e.g. moon, chair, table. When light falls on them, they become visible.
APPEARS IN
RELATED QUESTIONS
Write true or false of the following statement.
We can see an object through an opaque medium.
What do we call a body that shines on its own?
What do we call a substance through which we cannot see light? Give an example of such a substance.
Write the names of some transparent objects.
Tick the correct answer.
Light is a font of
Answer the following.
Write down five man-made sources of light.
A ______ is a natural source of light.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
The path of the light is called as ______.
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
