What type of spectrum is shown below?
absorption
electromagnetic
emission
infrared light

The correct answer is absorption.

Explanation:

Absorption is the process in which electrons jumps from lower energy level to higher energy level by absorbing energy. The spectrum obtained by transmitting the electromagnetic radiations through the substance is known as absorption spectrum. This spectrum shows dark lines or black bands due to absorption of the specific wavelength.

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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.