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This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that 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.
Options:
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.
Solution:
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The correct answer is:
Statement-1 is true Statement-2 is true and the Statement-2 is not correct explanation of the Statement-1.
Statement-1 is true Statement-2 is true and the Statement-2 is not correct explanation of the Statement-1.
Fringe width $\mathrm{B}=\frac{\mathrm{D}}{\mathrm{d}} \lambda$
And number of fringes observed in the field of view is obtained by $\frac{\mathrm{d}}{\lambda}$
And number of fringes observed in the field of view is obtained by $\frac{\mathrm{d}}{\lambda}$
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