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State any four important characteristics of Laser ray. |
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Answer» Laser ryas (characteristics)- (i) It is used to produce mono chromatic infra-red ryas. (ii) Laser of he-Ne produce the infra-red rays of wave-length 3.39 x 10-6 m, 1.19 x 10-6 m and 3.39 x 10-6 m. (iii) Laser of CO2 produces the infra-red ray of wave length 10.6 x10-6 m |
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