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CBSE Class 12-science Answered

Explain the methods of producing coherent sources?
Asked by Topperlearning User | 12 Jun, 2014, 07:28: AM
Expert Answer

(1) Division of wave front where wave front is divided into two or more parts with the help of mirrors,lenses and prisms. The common methods are : Young's double slit arrangement, Fresnel's biprism method,Lloyd's mirror method etc.

(2) Division of amplitude where amplitude of the incoming beam is divided into two or more parts by partial reflection or refraction.These divided parts travel different paths and reunited later to produce interference. Eg: Newton's rings,Michelson's interferometer etc.

Answered by | 12 Jun, 2014, 09:28: AM
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