A-LevelBiologyCell structure9700/12 · May/June 2022 · Q21 Mark

A specimen is observed twice with a microscope, firstly using green light with a wavelength of 510 nm and then using red light with a wavelength of 650 nm. What happens to the magnification and resolution when using red light compared to green light?

Adecreases remains the same

Bincreases increases

Cremains the same decreases

Dremains the same increases

✓ Correct answer

C: remains the same decreases

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2022 Paper 1 Variant 2, question 2.

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