Young's double-slit experiment is carried out | vedclass

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(D) The fringe width $\beta$ in Young's double-slit experiment is given by the formula $\beta = \frac{\lambda D}{d}$.Since $D$ (distance between slits

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$\beta_R > \beta_G > \beta_B$

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(D) The fringe width $\beta$ in Young's double-slit experiment is given by the formula $\beta = \frac{\lambda D}{d}$.Since $D$ (distance between slits and screen) and $d$ (distance between slits) are constant,the fringe width is directly proportional to the wavelength of light used: $\beta \propto \lambda$.The wavelengths of the colors are in the order: $\lambda_R > \lambda_G > \lambda_B$.Therefore,the fringe widths follow the same order: $\beta_R > \beta_G > \beta_B$.

Young's double-slit experiment is carried out by using green,red,and blue light,one color at a time. The fringe widths recorded are $\beta_G, \beta_R$,and $\beta_B$ respectively. Then:

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