Term
What are the two types of microscopes? |
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Definition
Light microscopes and electron microscopes. |
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Term
What are the advantages of a light microscope? |
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Definition
-they are cheaper -they can see colours -they can see a live specimen |
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What are the disadvantages of a light microscope? |
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Definition
-they have lower magnification |
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Term
What are the advantages of an electron microscope? |
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Definition
-they are expensive -they have a very high magnification |
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Term
What are the disadvantages of an electron microscope? |
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Definition
-they can only see dead specimen -they show no colour |
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Term
How do you calculate magnification? |
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Definition
magnification = size of image / actual size of object |
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Term
How do you calculate the actual size of an object? |
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Definition
actual size of object = size of image / magnification |
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Term
What is the total magnification of a light microscope with an eyepiece lens of ×10 and an objective lens of ×40? |
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Definition
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Term
If a drawing of a cell in a textbook is 1 cm and the scale shows it to be 0.1 mm in real life, what is its magnification? |
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Definition
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