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 |
Stars are _______________________ . | |||
| Right Option : A | |||
| View Explanation | |||
Objects that do not give out or emit light of their own are called _______________ . | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct : (a) All luminous objects can not emit light as they cannot produce any light. (b) All luminous objects can act as sources of light because they emit light. (c) All Non luminous objects cannot act as sources of light because they do not emit light | |||
| Right Option : B | |||
| View Explanation | |||
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8thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
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Cheshta
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Ayan Ghosh
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Manish Kumar
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10thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
