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VITEEE 2019 Solved Paper
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© examsnet.com
Question : 39
Total: 125
In Young's double slit experimental setup, if the wavelength alone is doubled, the bandwidth β becomes
β
2
2
β
3
β
β
Validate
Solution:
Fringe width,
β
=
λ
D
d
When
λ
alone is doubled then fringe width becomes
β
′
=
(
2
λ
)
D
d
=
2
β
© examsnet.com
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