Someone please help me rephrase this or make it shorter : When light shines on an object it is reflected, absorbed or transmitted through the objects material and the frequency (color) of the light.

When light shines on an object it is either reflected, absorbed, or transmitted through the object to produce a frequency (color).  

Explanation:

thats how its supposed to be

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.