650 x
Using 5x oculars instead of 10x will result in a lower total magnification for the microscope system. The magnification formula for microscopes is the product of the magnification of the ocular lens and the objective lens. Therefore, with 5x oculars, you will achieve half the total magnification compared to using 10x oculars with the same objectives.
3x3 = 9
No, you cannot boil water using a magnifying glass. A magnifying glass can only concentrate sunlight to create heat, but it is not powerful enough to generate the high temperatures needed to boil water.
By using a magnifying glass
The magnifying power of a magnifying glass can be calculated using the formula magnifying power = 1 + (D/4), where D is the power of the lens. In this case, with a power of 12 diopters, the magnifying power would be 4x.
Blowing on oculars can introduce moisture and potentially contaminate the lenses. It can also lead to the formation of condensation or fogging, affecting the quality of the image viewed through the microscope. Recommended methods for cleaning microscope lenses include using lens cleaning solution and lens paper.
Sure. You can look at any part of something, but remember the scale you are working on. Using an STM would be like using a magnifying glass on a soccer field.
if your using a magnifying glass, yes!
To start a fire using a magnifying glass, focus the sunlight through the magnifying glass onto a small pile of dry leaves, paper, or other flammable material. Move the magnifying glass closer or further away to adjust the size of the focused light until the material begins to smolder and ignite.
There are some experiments using magnifying lenses to focus the sun's rays on a particularly strong solar cell (do a search for Suncube). Check the various Solar Car Trials to see if any are using magnifying lenses. They certainly could.
It can take just a few seconds to a few minutes for a fire to start using a magnifying glass, depending on the intensity of the sunlight, the flammability of the material being focused on, and the skill of the person using the magnifying glass.
To make fire using a magnifying glass, focus the sunlight through the magnifying glass onto a small pile of dry leaves, paper, or other flammable material. The concentrated sunlight will create enough heat to ignite the material and start a fire.