18 Questions
What is the resolving power of a light microscope?
200nm
What is the maximum magnification of an electron microscope?
2,000,000x
Which type of electron microscope creates 3D images?
Scanning electron microscope (SEM)
What is the wavelength of electrons used in electron microscopes?
Smaller than that of light waves
Which microscope has a resolving power of 0.2nm?
Transmission electron microscope (TEM)
How does the resolving power of a microscope impact the level of detail seen?
The lower the resolving power, the more detail is seen
If an object is 1000 times bigger than another, how many times bigger is it in orders of magnitude?
3
What is the prefix for multiplying a unit by 0.001?
Milli
If an object is 10 times smaller than another, how many times smaller is it in orders of magnitude?
-1
What is the result of $3.4 \times 10^3$ in standard form?
3400
When estimating the number of dandelions in a field, what does multiplying the count from one square by the number of squares give you?
A rough approximation
What is the value of $1.5 \times 10^{-5}$ expressed in standard form?
0.000015
What is the main advantage of using an electron microscope over a light microscope?
Greater ability to examine proteins in detail
Which formula is commonly used to calculate the size of an object in microscopy?
Size of image / magnification = size of object
In microscopy, what role does standard form play when working with large or small numbers?
Allows for comparing numbers by multiplying by powers of 10
Why does the 'number' being multiplied by a power of 10 in standard form need to be between 1 and 10?
To ensure accurate comparison between numbers
When dealing with very large or very small numbers in microscopy, what can be achieved through standard form?
Simplification of calculations by adjusting scale
How do electron microscopes contribute to scientific discoveries compared to light microscopes?
Detailed examination of proteins not possible with light microscopes
Learn how to use orders of magnitude to compare the size of objects and measurements. Discover how prefixes are used before units of measurement to indicate scale differences, such as 10 times bigger or smaller.
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