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Questions and Answers
What is the primary function of a spectrophotometer?
What is the primary function of a spectrophotometer?
- To measure the echo of sound waves
- To measure the intensity of light absorbed by a sample (correct)
- To improve image resolution
- To analyze the nutritional content of food
What does a spectrophotometer measure in a sample?
What does a spectrophotometer measure in a sample?
- The concentration of particles
- The velocity of particles
- The electric charge
- The intensity of light (correct)
How does a spectrophotometer analyze samples?
How does a spectrophotometer analyze samples?
- By detecting ultrasonic waves
- By splitting light into its component wavelengths (correct)
- By measuring the thermal conductivity
- By counting the atomic particles
Which component in a spectrophotometer helps to split light into different wavelengths?
Which component in a spectrophotometer helps to split light into different wavelengths?
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Which is NOT a function of a spectrophotometer?
Which is NOT a function of a spectrophotometer?
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Study Notes
Spectrophotometer
- The primary function of a spectrophotometer is to measure the amount of light absorbed or transmitted by a sample.
- A spectrophotometer measures the absorbance or transmittance of a sample at specific wavelengths.
- The instrument analyzes samples by passing light through the sample and measuring the absorbance or transmittance of the sample at specific wavelengths.
- The component that helps to split light into different wavelengths is a prism or a diffraction grating.
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