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  • In Young's double slit experiment, if the source of light changes from orange to blue then :Option: 1 The central bright fringe will become a dark fringe.Option: 2 The distance between consecutive fringes will decrease.

In Young's double slit experiment, if the source of light changes from orange to blue then :
Option: 1 The central bright fringe will become a dark fringe.
Option: 2 The distance between consecutive fringes will decrease.
Option: 3 The distance between consecutive fringes will increase.
Option: 4 The intensity of the minima will increase.

Answers (1)

best_answer

The source of light changes from orange to blue

\lambda_{\text {orange }}>\lambda_{\text {Bure }}

\begin{aligned} &\text { Fringe width }=\beta=\frac{\lambda D}{d} \\ \end{aligned}

\frac{\beta_{\text {orange }}}{\beta_{\text {Blue }}}=\frac{\lambda_{\text {orange }}}{\lambda_{\text {Blue }}}

\beta_{\text {orange }}>\beta_{ \text {Blue }}

Fringe width decreases

The correct option is (2).

Posted by

vishal kumar

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