Can anyone help me with this Why does a microscope stage have a small hole in it? *
2 points
To hold the specimen in place
To secure slides to the stage
To allow light to pass through
To prevent slides from sticking to the stage
2. Why are specimens usually very thin slices of material? Choose the best answer. *
2 points
The thinness allows light to pass through so it is visible
Thick objects cannot fit on the stage
Thick objects do not have to be magnified
The thinness makes individual atoms easier to see
3. Which part(s) of a microscope forms an enlarged image of a specimens? *
2 points
The light source
The focus knobs
The stage
The objective lenses
4. If a specimen appears extremely blurry, what should you do first? Choose the best answer. *
2 points
Adjust the fine adjustment knob
Adjust the coarse adjustment knob
Adjust the ocular lens
Move the slide around on the stage
5. Why is Anton van Leeuwenhoek considered the "father of microscopy?" *
2 points
He was the first person to observe an animal cell in a microscope
He invented the first microscope
He was the best microscope maker of his time
He published a book on how to make microscopes
6. Why can electron microscopes magnify smaller objects than optical microscopes? *
Electrons are smaller than protons
Electron microscopes have larger stages than optical microscopes
Electron wavelengths are smaller than visible light wavelengths
Electron microscopes have bigger lenses than optical microscopes
7. Remember that the eye piece has a magnification of 10x. What is the total magnification under low power? *
2 points
Captionless Image
4x
10x
40x
400x
8. Under which power will the field of view be the largest? *
2 points
Low power
Medium power
High power
9. Under which power will the magnification be the largest? *
2 points
Low power
Medium power
High power
10. Why can't you see the details of your finger if you put it under the microscope? *
2 points
Your finger is too thin and too much light will pass through
Your finger is too thick and not enough light can pass through
Your finger doesn't have details
Your finger can been seen under the microscope