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CBSE Class 10 Answered

What is the difference between refraction and rarefaction?
Asked by Shashank Shekhar | 03 Oct, 2014, 07:53: PM
answered-by-expert Expert Answer
A beam of light passing from one transparent medium to another obliquely, undergoes an abupt change in direction . This bending of light ray, at the surface of separation of two media is called refraction.
Longitudinal waves like sound waves constitute of compressions and rarefractions.The region in a longitudinal wave where the particles are furthest apart is called a rarefraction.
It is the positions of particles of minimum density or pressure in the medium.
Answered by Jyothi Nair | 04 Oct, 2014, 09:13: AM

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