Question

If a wave has a wavelength of 0.1 nanometer, it must be a(n)

Answer 1

0.1 nanometer = 0.1 * 10^-9 meter = 10^-10 meter

Which you can see it's X-ray.

Glad to help you friend, not sure if you remember me or not :)

Answer 2

Answer:

Option D, x-ray

Explanation:

As visible from the image provided, the wavelength of the given waves are as follows -

gamma ray   - $10^{-12}$ meter

microwave  - $10^{-2}$ meter

radio wave  - $10^{3}$ meter

x-ray - $10^{-10}$ meter

The wavelength of the wave mentioned in the question is 0.1 nanometer which is equal to

$0.1 * 10^{-9}\\= 1 * 10^{-10}\\= 10^{-10}$ meter

This wavelength range is equal to the wavelength of the X-Ray. Hence, the correct answer is option D