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Questions and Answers
Which of the following describes the process of measuring the absorbance or optical density of a solution using a photodetector system and a galvanometer?
Which of the following describes the process of measuring the absorbance or optical density of a solution using a photodetector system and a galvanometer?
- The photodetector system measures the transmitted light, while the galvanometer measures the electrical signals
- The photodetector system measures the reflected light, while the galvanometer measures the transmitted light
- The photodetector system measures the transmitted light, while the galvanometer measures the absorbed light (correct)
- The photodetector system measures the absorbed light, while the galvanometer measures the reflected light
What happens to the light when it reaches the Cuvette during the process of measuring the absorbance or optical density of a solution?
What happens to the light when it reaches the Cuvette during the process of measuring the absorbance or optical density of a solution?
- Some of the light is reflected, some part of the light is absorbed by the solution and the remaining part is transmitted through the solution (correct)
- All of the light is absorbed by the solution
- All of the light is transmitted through the solution
- All of the light is reflected
What is the role of the galvanometer in the process of measuring the absorbance or optical density of a solution?
What is the role of the galvanometer in the process of measuring the absorbance or optical density of a solution?
- To measure the intensity of transmitted light
- To measure the electrical signals sent by the photodetector system (correct)
- To measure the intensity of absorbed light
- To measure the intensity of reflected light
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