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Questions and Answers
What is the range of wavelengths visible to the human eye?
What is the range of wavelengths visible to the human eye?
- 280–550 nm
- 380–750 nm (correct)
- 480–850 nm
- 580–950 nm
What does the symbol 'λ' represent in spectrophotometry?
What does the symbol 'λ' represent in spectrophotometry?
- Wavelength (correct)
- Light velocity in vacuum
- Frequency
- Energy form of radiation
What happens to the energy distribution of a tungsten lamp as temperature increases?
What happens to the energy distribution of a tungsten lamp as temperature increases?
- Energy changes unpredictably
- Energy decreases
- Energy increases (correct)
- Energy remains constant
In spectrophotometry, what is measured to determine the concentration of substances in solution?
In spectrophotometry, what is measured to determine the concentration of substances in solution?
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What does 'c' stand for in the equation c = νλ?
What does 'c' stand for in the equation c = νλ?
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