A Level biology – Optical microscopes
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- Question 1 of 20
1. Question
What is the resolution of an optical microscope ultimately limited by?
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2. Question
Beyond the limit of resolution, increasing the magnification will…
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3. Question
Why is a light microscope is not usually used to magnify greater than 1000x ?
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4. Question
A compound microscope is a type of what?
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5. Question
Some early microscopists claimed to see an homunculus or tiny man in nuclei and sperm cells. Apart from their bias and imagination what may have lead to these observations?
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6. Question
Which type of radiation is used in a compound microscope to image an object?
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7. Question
The light microscope can usefully magnify up to about:
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8. Question
An object being imaged with an optical microscope is usually mounted on what?
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9. Question
Which of the following is a limitation of the light microscope?
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10. Question
Which of the following is a benefit of the light microscope?
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11. Question
The magnifying power of a microscope is found by
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12. Question
The order that light passes through a microscope parts is:
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13. Question
The ability to distinguish between two points on an image is called
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14. Question
How many times bigger an image is compared to an object is referred to as what?
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15. Question
The lenses used in an optical microscope are what shape?
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16. Question
The wavelength of light means that optical microscopes can only distinguish between two objects if they are how far apart?
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17. Question
How many lenses are present in a compound microscope?
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18. Question
Put the following units of length in order from the shortest to longest. 1. Millimetre 2. Nanometre 3. Micrometre 4. Centimetre
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19. Question
Which of the following could not be resolved with an optical microscope?
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20. Question
Which of the following could be resolved with an optical microscope?
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