explain magnification with formula and sign
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The formula for calculating microscopicmagnification is simply the ocular lens magnification times the objective lens magnification. In other words, the total magnification of using the 4x scanning lens is (10x) * (4x) = 40x.
Hope it may helps you
The formula for calculating microscopicmagnification is simply the ocular lens magnification times the objective lens magnification. In other words, the total magnification of using the 4x scanning lens is (10x) * (4x) = 40x.
Hope it may helps you
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Definition of Magnification
Magnification refers to the act of visually enlarging an object, meaning that the object itself doesn't become physically larger but only larger in appearance. This notion of magnification can arise in either of two forms: microscopic magnification is what we use when we make small objects appear larger, while telescopic magnification makes distant objects appear closer (and thus clearer and more defined).
It's important to note that these forms both utilize very different tools and formulas; therefore, to avoid any confusion between the two, herein we will specifically focus on microscopic magnification and the types, formulas, and calculations pertaining to that process alone. We'll save telescopic for its own lesson.
Simple Lenses
The term simple lens refers not to the ease of using these lenses but to the number of lenses that the tool itself has. Magnifying glasses, like the one you might see Sherlock Holmes use while he's tracking down clues or your grandparents using while reading the newspaper, are simple lenses; they use only one lens to magnify the image in front of it. Magnifying glasses are the lowest power (strength) magnification tools you could use as they range from 2x-6x, meaning that they can only magnify an object so that appears two times larger than it really is while some can magnify an object up to six times larger.
Coddington hand tools, first developed in the 1700's, are another variety of simple lens that can offer the user up to 15x magnification. It is capable of reaching a higher magnification than a magnifying glass due to the thickness of the lens along with the deep central groove cut into the glass. Unfortunately, the central grove reduces the amount of area that can actually be seen at any given time.
Magnification refers to the act of visually enlarging an object, meaning that the object itself doesn't become physically larger but only larger in appearance. This notion of magnification can arise in either of two forms: microscopic magnification is what we use when we make small objects appear larger, while telescopic magnification makes distant objects appear closer (and thus clearer and more defined).
It's important to note that these forms both utilize very different tools and formulas; therefore, to avoid any confusion between the two, herein we will specifically focus on microscopic magnification and the types, formulas, and calculations pertaining to that process alone. We'll save telescopic for its own lesson.
Simple Lenses
The term simple lens refers not to the ease of using these lenses but to the number of lenses that the tool itself has. Magnifying glasses, like the one you might see Sherlock Holmes use while he's tracking down clues or your grandparents using while reading the newspaper, are simple lenses; they use only one lens to magnify the image in front of it. Magnifying glasses are the lowest power (strength) magnification tools you could use as they range from 2x-6x, meaning that they can only magnify an object so that appears two times larger than it really is while some can magnify an object up to six times larger.
Coddington hand tools, first developed in the 1700's, are another variety of simple lens that can offer the user up to 15x magnification. It is capable of reaching a higher magnification than a magnifying glass due to the thickness of the lens along with the deep central groove cut into the glass. Unfortunately, the central grove reduces the amount of area that can actually be seen at any given time.
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