A metallic sheet has a large number of parallel slits, 5.0 mm wide and 20 cm apart. This sheet is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the sheet. If the intensity maxima occur 2.0° apart in the central region, what is the wavelength of the microwaves? 4.5 mm. 8.8 mm 8.4 mm 7.0 mm O 6.2 mm
A metallic sheet has a large number of parallel slits, 5.0 mm wide and 20 cm apart. This sheet is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the sheet. If the intensity maxima occur 2.0° apart in the central region, what is the wavelength of the microwaves? 4.5 mm. 8.8 mm 8.4 mm 7.0 mm O 6.2 mm
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Transcribed Image Text:A metallic sheet has a large number of parallel slits, 5.0 mm wide and 20 cm apart. This sheet is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the
sheet. If the intensity maxima occur 2.0° apart in the central region, what is the wavelength of the microwaves?
4.5 mm
8.8 mm
8.4 mm
7.0 mm
6.2 mm
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