how do u compare and contrast:?

Question

reflection, refraction, diffraction, interference, and absorption.
wat does compare and contrast mean anyways? how do u contrast?

Answer 1

comparing is finding similarities between 2 or more things, contrasting is finding the differences.

Answer 2

Compare and contrast is an expression meant to explain the differences.

You need to look up each term, which deals with light waves. For example, reflection is waves boucing off of a surface, such as a mirror. Refraction is when the light is split into a spectrum of colors, such as in a rainbow.