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QIB10 In Young's double slet exp the angular width of a fringe formed on a distant screen is 1°. The wavelength of light used is 6000A°. What is the spacing between the slit.

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QIB10 In Young's double slet exp the angular width
of a fringe formed on a distant screen is 1° The wavelength of
light used is 6000A° What is the spacing between the slit

Bakul Biswas · Accepted Answer

Dear Student,
let d be the spacing between the slits
we know,Sinθ=θyDso,∆θ=∆yDangular fringe width,θ0=∆θwidth∆y=βθ0=βD=Dλd×1Dθ0=λd
(i)given,θ0=1°=π180radλ=6×10-7mfrom(i),we getπ180=6×10-7dd=6×10-7×180πd=3
44×10-5 m=0 03mm
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Pls and this question asap QIB10 In Young's double slet exp the angular width of a fringe formed on a distant screen is 1°. The wavelength of light used is 6000A°. What is the spacing between the slit.

Pls and this question asap

QIB10 In Young's double slet exp the angular width of a fringe formed on a distant screen is 1°. The wavelength of light used is 6000A°. What is the spacing between the slit.