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# What is the wavelength in nm of red light?

Updated: 9/20/2023

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Q: What is the wavelength in nm of red light?
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A ruby laser is a red laser with a wavelength between 694 nm and 628 nm. 1 nanometer = 1&times;10&minus;9 meter.

### What is the wavelength of visble light?

Visible light ranges from red at about 750 nm to violet at around 400 nm.

### How does light become coloured?

Light's color depends on its wavelength. Shorter wavelengths make light more red, while longer make it more violet colored. Red light has a wavelength of approximately 700 nm, while violet light has a wavelength of 400 nm.

### Explain the difference between the waves that make up bright green light and dim red light.?

Waves of bright green light have higher frequency (shorter wavelength) and higher amplitude than waves of dim red light have. For example, if the colors were red and blue, Red light has a wavelength of 750 nm and blue light has a wavelength of 500 nm. Their wavelengths will differ.

### What is the wavelenght of red light?

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If a wavelength of light emitted from a particular red diode laser is 651 nm, its wavelength would be equivalent to 0.000000651 meters.

### What are the wavelengths for each of the seven colors of a rainbow?

Violet: 380 - 450 nm Blue: 450 - 475 nm Green: 495 - 570 nm Yellow: 570 - 590 nm Orange: 590 - 620 nm Red: 620 - 750 nm 'nm' means 'nanometre'. One nanometre is 0.000000001 metres.

### How do you calculate the wavelength of a red line at 670.8 nm?

670.8 nm is the wavelength.

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### Explain the differences between the waves that make up bright green light and dim red light?

Waves of bright green light have higher frequency (shorter wavelength) and higher amplitude than waves of dim red light have. For example, if the colors were red and blue, Red light has a wavelength of 750 nm and blue light has a wavelength of 500 nm. Their wavelengths will differ.

### What two properties of light waves determine the color of the light?

Just ONE property, the wavelength of the light. The colour of visible light depends on its wavelength. These wavelengths range from 700 nm at the red end of the spectrum to 400 nm at the violet end.