A sheet of metal has a large number of slits, each 5.0 mm wide and 20 cm apart. It is used as a diffraction grating for microwaves, producing bangs on a bulkhead. A broad parallel microwave beam is incident normally on the sheet. Considering c = 3.00 × 10⁸ m/s, answer the following two questions about this situation: a)What is the lowest microwave frequency for which only the central maximum occurs? 1 MHz 100 MHz 1.0GHz 2.0 GHz 1.5 GHz 500 MHz
A sheet of metal has a large number of slits, each 5.0 mm wide and 20 cm apart. It is used as a diffraction grating for microwaves, producing bangs on a bulkhead. A broad parallel microwave beam is incident normally on the sheet. Considering c = 3.00 × 10⁸ m/s, answer the following two questions about this situation: a)What is the lowest microwave frequency for which only the central maximum occurs? 1 MHz 100 MHz 1.0GHz 2.0 GHz 1.5 GHz 500 MHz
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A sheet of metal has a large number of slits, each 5.0 mm wide and 20 cm apart. It is used as a diffraction grating for microwaves, producing bangs on a bulkhead. A broad parallel microwave beam is incident normally on the sheet. Considering c = 3.00 × 10⁸ m/s, answer the following two questions about this situation:
a)What is the lowest microwave frequency for which only the central maximum occurs?
- 1 MHz
- 100 MHz
- 1.0GHz
- 2.0 GHz
- 1.5 GHz
- 500 MHz
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