Barbara Davis

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

Questions

The following questions were asked by visitors named Barbara Davis.

An object emitting 500nm wavelength light moves away from you at half of the speed of light. What is the observed wavelengths of the light?

Which of the following was not considered to be strong evidence for the wave nature of light? refraction, diffraction, interference, or polarization.

A planner estimates that a project will take 3.0 years to complete. Write the corresponding number of days with the appropriate number of significant figures (one year is 365.25 days long).

Answers

The following answers were posted by visitors named Barbara Davis.