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JEE Main Physics Class 12 Wave Optics Part 1 Questions
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© examsnet.com
Question : 72
Total: 100
This question has Statement-1 and Statement-2. Of thefour choices given after the Statements, choose the onethat best describes the two Statements.
Statement-1:
In Young’s double slit experiment, the number of fringes observed in the field of view is small with longer wavelength of light and is large with shorter wavelength of light.
Statement-2:
In the double slit experiment the fringe width depends directly on the wavelength of light.
[Online April 22, 2013]
Statement-1 is true, Statement-2 is true and the Statement - 2 is correct explanation of the Statement-1.
Statement-1 is false and the Statement- 2 is true.
Statement-1 is true Statement-2 is true and the Statement-2 is not correct explanation of the Statement-1.
Statement-1 is true and the Statement-2 is false.
Validate
Solution:
Fringe width
B
=
D
d
λ
And number of fringes observed in the field of view is obtained by
d
λ
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