Q5 of 25 Page 154

When sunlight passes through the window of a classroom, its path is visible. This is due to _______of light. (reflection, scattering)

When sunlight passes through the window of a classroom, its path is visible. This is due to scattering of light.

Air around us contains a large number of dust particles which are not visible to us. When the light from the sun passes through the window of a classroom it interacts with these dust particles and gets redirected in different directions. This is called the scattering of light and it is the reason for visible path of the sunlight passing through the window.


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3

The solubility of common salt in 100g of water is 36g. If 20g of salt is dissolved in it, how much more is required to attain saturation?

 4

If two liquids are mutually soluble, they are called _______ liquids. (miscible, immiscible)

 6

The particles in various forms are visible only under an ultramicro scope. A solution containing such particles is called __________. (true solution, colloidal solution)

 7

The number of components in a binary solution are/is _______ ( one / two)