Consider the diffraction pattern for a small pinhole. As the size of the hole is increased:
| (a) | the size decreases |
| (b) | the intensity increases |
| (c) | the size increases |
| (d) | the intensity decreases |
| 1. | (a) and (b) only | 2. | (a) and (c) only |
| 3. | (b) and (d) only | 4. | (c) and (d) only |
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