What is the relationship between color and wavelength for light

Answer:

The flame colour of strontium is red. Red has a wavelength of around 620 to 750 nm.

Explanation:

Visible light is part of the electromagnetic spectrum. The electromagnetic waves are composed of electric and magnetic fields.

The visible spectrum is composed of seven different wavelengths that corresponds to different colours. When a metallic element is exposed flame, one of these colours is observed. This is commonly called the flame test.

The flame colour of strontium is red. Red has a wavelength of around 620 to 750 nm.

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