Practice Spectrophotometry (measuring Light Absorption) (5.1.2.1) - Enzymes – The Catalysts of Life
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Spectrophotometry (Measuring Light Absorption)

Practice - Spectrophotometry (Measuring Light Absorption)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the Beer-Lambert Law?

💡 Hint: Think about how concentration affects absorbance.

Question 2 Easy

What does absorbance measure?

💡 Hint: Relate this to how light interacts with substances.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the Beer-Lambert Law relate?

Absorbance and temperature
Absorbance and concentration
Absorbance and pressure

💡 Hint: Remember how concentration affects absorbance.

Question 2

True or False: Absorbance can decrease if the concentration of a solution increases.

True
False

💡 Hint: Think about the definition of absorbance.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a solution has an absorbance of 0.25 at 340 nm and a path length of 1 cm with a molar extinction coefficient of 6220 M⁻¹ cm⁻¹, calculate the concentration of NADH.

💡 Hint: Identify the variables used in the formula.

Challenge 2 Hard

Discuss how varying the path length might affect absorbance readings. What implications does this have for optimal experimental design?

💡 Hint: Consider how absorbance relates to concentration.

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