In a Young`s double slit experiment, a small detector measure an intensity of illumination of $I$ units at the centre of the fringe pattern. If one the two (identical) slits is now covered, the measured intensity will be:-

2 I

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I

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I / 4

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I / 2

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Solution

The correct option is C $I / 4$
If the intensity of central maxima is $I$ , then intensity due to individual source must be $\frac{I}{4}$

So if one of the slit is closed then due to remaining slit, intensity will be $\frac{I}{4}$ that is $\frac{1}{4}$

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In a Young`s double slit experiment, a small detector measure an intensity of illumination of I units at the centre of the fringe pattern. If one the two (identical) slits is now covered, the measured intensity will be:-

The correct option is C I/4If the intensity of central maxima is I , then intensity due to individual source must be I4 So if one of the slit is closed then due to remaining slit, intensity will be I4 that is 14

In a Young`s double slit experiment, a small detector measure an intensity of illumination of $I$ units at the centre of the fringe pattern. If one the two (identical) slits is now covered, the measured intensity will be:-

The correct option is C $I / 4$
If the intensity of central maxima is $I$ , then intensity due to individual source must be $\frac{I}{4}$

So if one of the slit is closed then due to remaining slit, intensity will be $\frac{I}{4}$ that is $\frac{1}{4}$