Question

Define the following terms
1 Dispersion 2 Reflection​

Answer 1

Explanation:

please mark me brilliant please

Answer 2

Explanation:

Dispersion is a statistical term that describes the size of the distribution of values expected for a particular variable. Dispersion can be measured by several different statistics, such as range, variance, and standard deviation.

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.