The sunlight is allowed to fall on a pinhole of diameter $10^{-4}$ mm and thus a diffraction pattern is obtained. How will the size and intensity of the diffraction pattern be affected, if the diameter of the pinhole is slightly increased? |
size increases; intensity increases size increases; intensity decreases size decreases; intensity increases size decreases; intensity decreases |
size decreases; intensity increases |
The correct answer is Option (3) → size decreases; intensity increases |