INTRODUCTION TO MICROSCOPY CELL BIOLOGY
LIGHT MICROSCOPY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What limits the resolution of light microscopy?
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The size of the objective lens
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The size of the eyepiece lens
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The size of the object to be imaged
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The wavelength of visible light
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Explanation:
Detailed explanation-1: -The resolution of the light microscope cannot be small than the half of the wavelength of the visible light, which is 0.4-0.7 µm. When we can see green light (0.5 µm), the objects which are, at most, about 0.2 µm.
Detailed explanation-2: -Answer and Explanation: The resolution of a light microscope cannot be smaller than half of the wavelength of the visible light ( = 400-700 nm).
Detailed explanation-3: -Wavelength is the main limiting factor on resolution because the image of two particles cannot be seen individually if it is smaller than the wavelength.
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