Note : 
1. The topics in the following table are Deleted for the academic year 2020-21 as an exceptional case.
2. All boxes EXCEPT 'Solved examples' and 'Remember This' are Deleted / Non-evaluative For 2020-21 only.



Note Due to the COVID 19 pandemic situation and the social distancing 
it may be difficult to complete even 75% Practicals and Activities.
Hence for the year 2020-21, the students are required to perform only 60% of the Practicals and Activities

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In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

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