A Levels Biology (9700)•9700/11/M/J/18

Explanation
Defining Resolution and Magnification in Microscopy
Steps:
- Recall resolution as the minimum distance between two points that can be distinguished as separate.
- Recall magnification as the ratio of image size to object size, making details appear larger.
- Compare each option's definitions to standard microscopy terms.
- Select the option matching both definitions accurately.
Why A is correct:
- It precisely defines resolution by the ability to separate close objects (limited by wavelength in light microscopes) and magnification by size enlargement factor.
Why the others are wrong:
- B: Swaps concepts—resolution is not just clarity, and magnification does not focus on small objects.
- C: Reverses definitions, confusing separation ability with size comparison.
- D: Misassigns—resolution enables focus on small details, not magnification; clarity ties more to resolution.
Final answer: A
Topic: The microscope in cell studies
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