A.a uniform mixture that can’t be separated
"substance" seems vague here
When you lay down your weight is distributed over a much larger surface area than while standing. You are putting a much greater force on a much smaller area standing.
Parfocal is the term used to describe a microscope that maintains focus when the objective lenses are replaced.
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What is the name of the objective lens ?</h3>
For observing minute features within a specimen sample, a high-powered objective lens, often known as a "high dry" lens, is perfect. You can see a very detailed image of the specimen on your slide thanks to the 400x total magnification that a high-power objective lens and a 10x eyepiece provide.
The four objective lenses on your microscope are for scanning (4x), low (10x), high (40x), and oil immersion (100x).
The first-stage lens used to create a picture from electrons leaving the specimen is referred to as the "objective lens." The objective lens is the most crucial component of the imaging system since the quality of the images is determined by how well it performs (resolution, contrast, etc.,).
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There is no net vertical force.
The 20N upward is exactly balanced by the 20N downward.
There IS a net horizontal force.
(22N to the right) + (14N to the left) = 8 N to the right.
The net force acting on this object is 8 newtons to the right.
