you just times it like: 10x × 10x equals 100x
because it regulate
the about amount of light
as the light passes through the prism, it creates 7 colors namely the 'roy g biv' (red, orange, yellow, green, blue, indigo, violet)
red has the longest wavelength and lowest frequency(hz) while violet has the shortest wavelength but has the highest frequency.
muscles is responsible for the movements of the bodt