In a double experiment, the distance between the slit is 1 mm and screen is 25 cm away from the slits. The wavelength of light is `6000Å`. The width o

Question

In a double experiment, the distance between the slit is 1 mm and screen is 25 cm away from the slits. The wavelength of light is `6000Å`. The width o

In a double experiment, the distance between the slit is 1 mm and screen is 25 cm away from the slits. The wavelength of light is `6000Å`. The width of the fringe on the screen is
A. `0.15 mm`
B. `2.24 mm`
C. `0.30` mm
D. `0.12 mm`

Monjur Alahi

6 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 - A
`d=1 mm, D=25 cm, lambda 6000A^(@), beta = ?`
`beta =(D)/(d) lambda`
`=(25xx10^(-2)xx6xx10^(-7))/(1xx10^(-3))`
`=150xx10^(-6) m`
`0.15 m`

6 views Answered 2023-02-05 15:29