Question

Which statements best describe wavelengths of sunlight that are longer than 700 nanometers

Answer 1

Answer:  

These wavelengths are longer than wavelength of visible light.

These wavelengths form the infra-red part of the spectrum.

Explanation:

Solar spectrum has lies in three parts of the electromagnetic spectrum - Ultraviolet, visible and infra-red.

Visible light lies from 400 nm to 700 nm.

Ultraviolet region precedes visible spectrum and has shorter wavelength than it.

Beyond visible spectrum, infrared part of the spectrum starts and has longer wavelength than it.

The wavelength of sunlight that are greater than 700 nm wavelength have longer wavelength than visible light and lie in the infra-red part of the spectrum.

Answer 2

Answer:

1. These wavelengths are longer than the wavelengths of visible light

2. These wavelengths form the infared part of the spectrum.

Explanation:

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