experiment to study the scattering of light
class 10
Answers
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Explanation:
setset up the apparatus in which it is a strong source of white light we will consider the source of light to be the sun the source of light as is placed at the focus of a concave lens lu1 so as to produce a parallel beam of light rays a transparent glass tank is filled up with about 2 litres of clearwater a cardboard this could be having a circular hole see at its centre is kept on the other side of the water tank another convex lens l2 l2 is kept behind the cardboard desk to focus the light rays coming from the glass tank and passing through the circular for of cardboard this to form an image on the screen are we will now be described how the experiment with actual leaves from the switch on the source of light we will find that a beam of light passing through water in the glass tank and forms a circular parts of white light on the screen are we can how we can however not see is a part of the beam of light inside the water of the time because there are no suspended particles in water to scatter the beam of light letters not dissolve about 200 grams of sodium thiosulphate in water of class 10 then add 1 to 2 ml of concentrated such as we will see that fine microscopic particles of sulphur begin to form in water and the colloidal solution is obtained as the sulphur particles begin to farming water we will see the blue light coming from the sides of the glass tank this is due to scattering of short wavelength of blue light filter by the minute colloidal sulphur particles this is the sky shows blue when the blue light present in sunlight is scattered by the molecules of air in the atmosphere