Laser light of wavelength 630 nm incident on pair of slits produce an interference pattern where bright fringes are separated by

Question

Laser light of wavelength 630 nm incident on pair of slits produce an interference pattern where bright fringes are separated by 8 1 mm Another laser light produces interference pattern where bright fringes are separated by 7 2 mm What is wavelength of second light O 560 nm O 615 nm O 415 nm O 712 nm

Kunduz · Accepted Answer

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