If you wanted to know how big a tiger was what measurement would you use a. candela, mole b. meter, second c. kilogram, ampere d. meter, kilogram

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

double the distance = divide strength by 4

there are no components of a physical goal mentioned on the list of choices that you've provided.