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Byju's Answer

Standard XII

Physics

Intensity Explanation in YDSE

In the figure...

Question

In the figure shown , if a parallel beam of white light is incident on the pair of the slits then the distance of the nearest white spot on the screen from $O$ is : [Assumed $d << D, λ << d]$

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\frac{d}{2}

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\frac{d}{3}

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\frac{d}{6}

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Solution

The correct option is D $\frac{d}{6}$

we know that $P$ will be the central maxima (at which path difference should be zero)
Now from the figure, $| O P | = \frac{d}{2} - \frac{2 d}{3} = \frac{d}{6}$

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Similar questions

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In the figure shown , if a parallel beam of white light is incident on the pair of the slits then the distance of the nearest white spot on the screen from O is : [Assumed d<<D , λ<<d]

The correct option is D d6 we know that P will be the central maxima (at which path difference should be zero) Now from the figure, |OP|=d2−2d3=d6

In the figure shown , if a parallel beam of white light is incident on the pair of the slits then the distance of the nearest white spot on the screen from $O$ is : [Assumed $d << D, λ << d]$

The correct option is D $\frac{d}{6}$

we know that $P$ will be the central maxima (at which path difference should be zero)
Now from the figure, $| O P | = \frac{d}{2} - \frac{2 d}{3} = \frac{d}{6}$