Monochromatic green light of wavelength `5 xx 10^(-7) m` illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pa

Question

Monochromatic green light of wavelength `5 xx 10^(-7) m` illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pa

Monochromatic green light of wavelength `5 xx 10^(-7) m` illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pattern formed on a screen 2 m away is
A. `0.25` mm
B. `0.1 mm`
C. `1.0 mm`
D. `0.01mm`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Separation of bright lines or fringe width
`beta=(Dlambda)/d=(5xx10^(-7)xx2)/10^(-3)=10^(-3)m=1.0mm`

4 views Answered 2023-02-05 15:29