Question

the band of the coloured components of a light beam is called VIBGYOR ( true or false ) ​

Answer 1

Answer:

The prism splits the incident light beam into a band of 7 colors. This band of colored components of a light beam is called its spectrum and the phenomenon of splitting of light into its component colours is called dispersion.

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Answer 2

The statement is true. The band of the coloured components of a light beam is called VIBGYOR.

Explanation:

• Light has an electromagnetic spectrum that extends from ultraviolet radiation to infrared radiation.

• Ultraviolet radiation has the highest frequency and lowest wavelength whereas infrared rays have highest wavelengths and lowest frequencies.

• Coloured visible range of wavelength in light spectrum extends from 380 nanometers to 780 nanometers.

• Lowest wavelength of 380 nm corresponds to violet colour and 780 nm i.e. highest in visible range corresponds to red colour.

• Violet -Indigo - Blue - Green - Yellow - Orange - Red
• These coloured components in white light is visible as a result of refraction or dispersion.