Millimeter, Micrometer, and Nanometer As you will discover in upcoming laborator

Question

Millimeter, Micrometer, and Nanometer As you will discover in upcoming laboratory exercises Cusing microscopes), the unit micrometer (um) and nanometer (nm) are useful in microscopy for measuring very tiny objects like cells or even viruses Lab Activity: Measuring with Metric Use a metric ruler marked in centimeters (cm) and millimeters (mm). Micrometers (um) are not marked on the ruler, but remember that 1000 um would fit in between each millimeter hashmark. l. Measure the diameter of the circle (Fig 2.6). mm 2. Now, calculate its diameter in micrometers Alm 3. What is the diameter of the circle in nanometers? nmn

Explanation / Answer

Ans 1) The diameter is the measurement of the complete circle. In this case the diameter of the circle in 4cm. Calculating it in terms of mm, 1cm = 10mm. So when it comes to 4cm= 40mm

Ans 2) Calculating it in micrometer, the diameter of the circle in micrometer will be 40mm = 40000 micrometer

Ans 3) Calculating it in nanometer, 40000micrometre = 40000000 nanometre which is the diameter

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