SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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µm
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mm
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nm
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cm
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Detailed explanation-1: -The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a metre (0.000000001 m) and to 1000 picometres .
Detailed explanation-2: -A nanometer is a unit of measurement for length just as you have with meters and centimeters. A nanometer is one billionth of a meter, 0.000000001 or 10-9 meters. The word nano comes from the Greek word for “dwarf.” The term nanoscale is used to refer to objects with dimensions on the order of 1-100 nanometers (nm).
Detailed explanation-3: -A measure of length in the metric system. A nanometer is one billionth of a meter.
Detailed explanation-4: -Answer: 1nm is equal to 0.000000001 m or 10−9m. It is used to express dimensions on an atomic scale.
Detailed explanation-5: -The prefix “nano” means “one billionth”, or 10-9, in the international system for units of weights and measures. The abbreviation for nanometer is “nm."