How the single slit central maximum depends on slit width, wavelength and screen distance

1. A.
   decreases with increase of slit width
2. B.
   may increase or decrease
3. C.
   decreases with decrease of slit width
4. D.
   increases with increase in slit width

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1. A.
   The intensity and width of the central maximum are unaffected.
2. B.
   The intensity remains same and angular width becomes half.
3. C.
   The intensity and angular width both are doubled.
4. D.
   The intensity increases by a factor 4 and the angular width decreases by a factor of 1/2

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1. A.
   increases with increase of slit width.
2. B.
   decreases with increase of slit width.
3. C.
   decreases with decreases of slit width.
4. D.
   may increase or decrease with decrease of slit width.

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1. A.
   Becomes zero.
2. B.
   Does not change.
3. C.
   Increases
4. D.
   Decreases.

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1. A.
   $\dfrac{I_0}{2}$
2. B.
   $I_0$
3. C.
   $4I_0$
4. D.
   $2I_0$

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1. A.
   increases
2. B.
   decreases
3. C.
   remains same
4. D.
   first increases and then decreases

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1. A.
   width of the slit
2. B.
   wavelength of light used.
3. C.
   ratio of wavelength and slit width.
4. D.
   distance of the slit from the screen.

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