luminous and non luminous objects
luminous and non luminous objects
There are two types of objects:
Luminous Objects: Objects that give out light are called luminous objects. All luminous objects emit light that has been produce by them. We can see a luminous object because the light emitted by them reaches our eyes and creates a sense of vision. All luminous objects are sources of light like the sun, the stars, a burning candle, a lighted electric bulb and a firefly etc.
|
Sun |
Stars |
Candle |
Bulb |
Firefly(Jugnoo) |
Non Luminous Objects: Objects that do not give out light are called non luminous objects. All non-luminous objects can not emit light as they cannot produce any light. We can see a non luminous object because when a light falls on the non luminous object it is reflected back this light reaches our eyes and creates a sense of vision. Fan, planets, books, moon, flowers etc. are all non - luminous object. We see moon as it reflects the light of sun falling on it. The non - luminous objects are also called illuminated objects because they get illuminated by the light of luminous objects.
|
Fan |
Planets |
Books |
Moon |
Flower |
Difference between Luminous and Non Luminous Objects
| S.No. | Luminous Objects | Non Luminous Objects |
| 1 | Objects that give out light are called luminous objects. | Objects that do not give out light are called non luminous objects. |
| 2 | All luminous objects emit light that has been produce by them. | All non-luminous objects can not emit light as they cannot produce any light. |
| 3 | We can see a luminous object because the light emitted by them reaches our eyes and creates a sense of vision. |
We can see a non luminous object because when a light falls on the non luminous object it is reflected back this light reaches our eyes and creates a sense of vision |
| 4. | All luminous objects can act as sources of light because they emit light | All Non luminous objects cannot act as sources of light because they do not emit light |
| 5 |
For example sun |
For Example Planets |
Which of the following are correct : (a) Objects that give out light are called luminous objects. (b) Objects that do not give out light are called non luminous objects. | |||
| Right Option : C | |||
| View Explanation | |||
Stars are ________________ . | |||
| Right Option : A | |||
| View Explanation | |||
Stars are _______________________ . | |||
| Right Option : A | |||
| View Explanation | |||
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10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
