EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How do you calculate actual specimen size from magnification and image size?
A
Actual = Magnification / Image Size
B
Actual =Image Size / Magnification
C
Actual = Image Size x Magnification
D
None of the above
Explanation: 

Detailed explanation-1: -Measure the scale bar image (beside drawing) in mm. Convert to µm (multiply by 1000). Magnification = scale bar image divided by actual scale bar length (written on the scale bar).

Detailed explanation-2: -Magnification = image size / actual size. Actual size = image size / magnification.

Detailed explanation-3: -It’s very easy to figure out the magnification of your microscope. Simply multiply the magnification of the eyepiece by the magnification of the objective lens.

Detailed explanation-4: -Estimating the Size of the Specimen Under Observation Remember that 1 m = 0.001 mm. To estimate the size of an object seen with a microscope, first estimate what fraction of the diameter of the field of vision that the object occupies. Then multiply the diameter you calculated in micrometers by that fraction.

Detailed explanation-5: -Multiply the width and height of the image, in pixels, to get the total pixel count. Multiply the total pixel count by 3 to get the image size in bytes. Divide the number of bytes by 1024 to get the image size in kilobytes. More items

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