robotboy

This page lists questions and answers that were posted by visitors named robotboy.

Questions

The following questions were asked by visitors named robotboy.

What is the wavelength of an X-ray photon with energy 9.0 keV (9000 eV)? (1 eV = 1.60 × 10−19 joule.) Express your answer to two significant figures and include the appropriate units.
6 years ago

Answers

The following answers were posted by visitors named robotboy.