Question

(i) How does light reach the area, where direct sunlight does not reach?

(ii) Explain how the path of light can become visible?

Explanation also please!!
No incomplete answers!!
No spams!

| CBSE | Class X ​

Answer 1

$\large{\underline{\sf{Answer :-}}}$

(i) How does light reach the area, where direct sunlight does not reach?

= When light wave passes through the atmosphere, it is absorbed by the molecules of air, these molecules further emit visible radiation in all directions. When sunlight passes through the atmosphere, then nitrogen and oxygen molecules present in the atmosphere absorb a part of sunlight and re emit it. Therefore, free gas molecules of the atmosphere scatter light in all direction and light reaches everywhere.

(ii) Explain how the path of light can become visible?

= When the light passes through colloidal particles, it gets scattered in different directions as rays due to which the path of light becomes visible. It should be noted that the path of light is not visible in solutions because the size of the particles is small. The phenomenon which is responsible for making the path of light visible is known as Tyndall effect.

Answer 2

Answer:

here is your answer.

Explanation:

1. this is because whenever the light hits an object,some of its energy is absorbed(in short its brightness). this causes it to lose its energy and its intensity lowers. This lower intensity light enters your eyes and you see the room dull. This is vantablack it absorbs all the light into itself.
2. The path of light is clearly visible when it passes through a type of solition called as colloids.When light falls on its particles, it gets scattered into different rays due to which the path of light becomes visible. This phenomena is called as the Tyndall effect.

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