The wavelength for A is?
回答 (1)
4.5 wavelengths for A is slightly greater than 1.6 × 10⁻⁷ m.
Wavelength for A is slightly greater than (1.6 × 10⁻⁷)/4.5 = 3.56 × 10⁻⁸ m
Wavelength for A ≈ 3.6 × 10⁻⁸ m
...... The answer is D.
收錄日期: 2021-04-18 14:31:49
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