16366057
Description
Flashcards by Roqaiah Ali, updated more than 1 year ago
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Created by Roqaiah Ali
over 5 years ago
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| Question | Answer |
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Making Things Bigger
Image:
Eye (binary/octet-stream)
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By: Roqaiah Ali |
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What is described as microscopic?
Image:
Bug (binary/octet-stream)
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Any specimen that can ONLY be seen using a microscope. |
| Why must the specimen in a light microscope be very thin? | So that light can pass through it. |
| Give 2 advantages using a stereo microscope. | 1. You see the image in 3D. 2. Has 2 eyepiece which allows scientists to observe their specimen with both their eyes. |
| List 3 differences between monocular or binocular microscopes and Stereo microscopes. | |
| What is the name of label 1 and what does it do? | 1. Eyepiece or ocular lens- Magnifies the image. |
| What is the name of label 2 and what does it do? | 2. Coarse focus knob- Used to focus the image on low power. |
| What is the name of label 3 and what does it do? | 3. Fine focus knob- Used to focus the image on high power. |
| What is the name of label 4 and what does it do? | 4. Handle- Used for carrying the microscope. |
| What is the name of label 5 and what does it do? | 5. mirror or lamp- Directs light up through the stage and specimen. |
| What is the name of label 6 and what does it do? | 6. Stage- Where the specimen is placed. |
| What is the name of label 7 and what does it do? | 7. Objective lens- Magnifies the image. |
| What is the most often unit measured by scientists to measure microscopic objects? | Micrometre (μm) |
| What are the 2 types of electron microscopes? | 1. Transmission Electron Microscopes (TEM) 2. Scanning Electron Microscopes (SEM) |
| List 2 differences between TEM and SEM. |
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