The bandpass of a spectrophotometer is 10 nm. If a setting is at 540 nm, the wavelengths permitted to impinge on the sample fall within which range?

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Enhance your knowledge with the Ciulla Clinical Chemistry Test. Study with interactive quizzes, featuring flashcards and multiple-choice questions. Each question offers hints and explanations for better understanding. Prepare effectively and excel in your exam!

Multiple Choice

The bandpass of a spectrophotometer is 10 nm. If a setting is at 540 nm, the wavelengths permitted to impinge on the sample fall within which range?

Explanation:
Bandpass defines the width of wavelengths that pass to the sample around the chosen center wavelength. With a bandpass of 10 nm and the setting at 540 nm, the transmitted light spans 540 nm minus 5 nm to 540 nm plus 5 nm, i.e., 535–545 nm. This symmetric range around the setting matches the 10 nm width. The other options either shift the center or enlarge the range beyond the stated bandpass: 530–540 nm would center at 535 nm; 530–550 nm would be 20 nm wide; 540–550 nm would center at 545 nm rather than at 540 nm.

Bandpass defines the width of wavelengths that pass to the sample around the chosen center wavelength. With a bandpass of 10 nm and the setting at 540 nm, the transmitted light spans 540 nm minus 5 nm to 540 nm plus 5 nm, i.e., 535–545 nm. This symmetric range around the setting matches the 10 nm width. The other options either shift the center or enlarge the range beyond the stated bandpass: 530–540 nm would center at 535 nm; 530–550 nm would be 20 nm wide; 540–550 nm would center at 545 nm rather than at 540 nm.

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