Let’s explore what is light!
‘What is light’ along with its definition, basics, examples are covered in this session. Let’s explore the details!
Light is the most common term which we all know in our day to day life and it’s really very interesting. Now, what is light?
In the daytime, we see everything around us due to the sun, and night time, we can not see anything unless we switched on our lamp or tube light or bulb or lit a candle.
So, we can say, if the light is present, we can see around us and if the light is not present, we cannot see anything. Hence, light helps us to see things around us.
Hence, we can say, Light is energy which helps us to see things around us. This is the simple definition of light for kids.
Every day, we wake up when the sun rises, and the light falls on us. We do all our activities in the presence of light. We read books, we play with friends, we see things, we go to school and all other activities in the presence of light.
Plants make food in the presence of light and we take that food and survive. If the light is not present, plants will not be able to make foods and we can not survive.
Hence, the main function of light, are as follows:
Check Out our ANIMATED video!
We wake up when the sun rises. Sun is the ultimate source of light. At night, we switched on the tube light and do our study. So, apart from the sun, there are various kinds of light we get through. So, kinds of light shall be as follows:
Light is coming from various sources and these sources are known as sources of light. There are many lights which are natural which means these are not man-made and in the same way, so many lights are not natural which means man-made.
Based on the type of source, sources of light are classified into two categories:
If the source of light is natural, then it is known as the Natural Source of light.
If the source of light is not natural and instead of natural it is manmade, then it is known as an Artificial Source of light.
Do you have a bicycle? Do you know you can control the speed of it? You can make it faster or you can be slower too. Whatever, when you ride the cycle, it will have speed.
In the same way, light is also having a speed. However, this speed is fixed, and we can calculate also.
Speed means distance travel in 1 sec or 1 hour.
|Jellyfish||Lightening||Light from Volcanos|
|Torchlight||Tube Light||Light in the signal|
Relationship between light and vision. We already discussed, if the light is present, we can see and if not present, we cannot see. Now, if I ask you to show a bird that it is an elephant, how do you explain that it’s not an elephant, it’s simply a bird?
What will we do? We will see first by our eyes and the eyes will send a signal to the brain and the brain will specify that it’s not an elephant, it’s a bird only.?
Hence, vision constitutes considering the main three things:
There are many people who are blind, they cannot see things. Although, there are several examples of highly educated, highly skilled persons who are blind in our nations.
|What is luminouns object & non luminated object||How does light travel|
|What is transparent, translucent & opaque object||What is magnet for kids|
|How does light interact with matters||Thirty important tips to concentrate on study|
|What is reflection of light||Tips to build reading habit of kids|
|What is noun in english grammar||What is preposition|
Hence, we have got an idea of what is light! Do you have any questions? Please feel free to contact us. Thank you for visiting.