1. Introduction

Spectrophotometers are used to identify an experiment of creating our own spectrophotometer, used in conjunction with the smartphones, to measure the clarity of the water.

In biology and chemistry laboratories, researchers often use expensive spectrophotometers.

Spectrophotometers have a wide variety of applications. They allow researchers to investigate how chemicals react, how quickly microorganisms multiply and how much protein or DNA is present in a sample.

The white light that we can see is an electromagnetic radiation that the naked human eye can detect. Electromagnetic radiation is basically energy in the form of electric and magnetic fields that move as waves, and it manifests not only as visible light but also as x-rays, radio waves, microwaves, gamma rays and more.

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