Question

Which of the following electromagnetic waves has the shortest wavelength?

A.visible light waves

B.ultraviolet waves

C.microwaves

D.infrared waves

Answer 1

B.ultraviolet waves

Step-by-step explanation:

The wavelength of visible light waves ranges from 400 – 700 nanometres i.e., 4.00 × 10⁻⁷ to 7.00 × 10⁻⁷ m

The wavelength of ultraviolet waves ranges from 10 nm to 400 nm i.e., 0.1 × 10⁻⁷ to 4.00 × 10⁻⁷ m

The wavelength of microwaves ranges from 0.3 m and 3 mm i.e., 0.3 m to 3×10⁻³ m.

The wavelength of infrared waves ranges from 700 - 1050 nanometers i.e., 7.00 × 10⁻⁷ m to 10.5 × 10⁻⁷ m.

It can be seen that the wavelength of ultraviolet light is the shortest.

Answer 2

I think the correct answer from the choices listed above is option B. The electromagnetic waves that has the shortest wavelength are the ultraviolet waves. The spectrum includes radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays: it is arranged from longest wavelength to the shortest.