Question
Which of the following radiation have the wavelength less than 0.3 mm?
Which of the following radiation have the wavelength less than 0.3 mm?
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Solution
The correct options are
C Visible light
D Infrared
Types of Radiation Wavelength Radio waves < 20 cm Micro waves 0.3 mm - 20 cm Infrared waves 800 nm - 0.3 mm Visible light rays 400 nm - 800 nm Ultraviolet rays 300 pm - 400 nm X-rays 3 pm - 300 pm Gamma rays < 3 pm
The given table shows that radiowaves and micro waves have longer wavelengths than 0.3 mm. While infrared waves and visible light rays have lesser wavelength than 0.3 mm.
C Visible light
D Infrared
Types of Radiation Wavelength
| Radio waves | < 20 cm |
| Micro waves | 0.3 mm - 20 cm |
| Infrared waves | 800 nm - 0.3 mm |
| Visible light rays | 400 nm - 800 nm |
| Ultraviolet rays | 300 pm - 400 nm |
| X-rays | 3 pm - 300 pm |
| Gamma rays | < 3 pm |
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