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$Light Diffraction and Color Perception Quiz$

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Light Diffraction and Color Perception Quiz

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Questions and Answers

What is the function of a photometer?

Measuring light reflection
Measuring light transmission
Measuring light absorption
Measuring light intensity (correct)

Which instrument measures the absorption of monochromatic light by selecting a band from a spectrum?

Spectrophotometer (correct)
Diffraction grating
Prism
Photometer

What does transmittance (T) measure in the context of light?

Transmitted light (correct)
Absorbed light energy
Scattered light
Reflected light

According to Beer's law, how does absorbance vary with the concentration of a solution?

Absorbance is inversely proportional to the concentration (C) Signup and view all the answers

What does absorbance (A) measure in terms of monochromatic light in a sample?

Light absorption (A) Signup and view all the answers

Which surface is able to scatter light and produce a spectrum when cut with parallel grooves?

Diffraction grating (C) Signup and view all the answers

What is the main purpose of a spectrophotometer?

Measure light absorption (D) Signup and view all the answers

In molecular absorption, what does transmittance (T) represent?

% of transmitted light (C) Signup and view all the answers

What kind of relationship does Beer's law imply between concentration and absorbance?

Linear relationship (C) Signup and view all the answers

What type of molecules absorb specific light energy in molecular absorption?

Specific molecules or molecular compounds (B) Signup and view all the answers