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Question: : Pico means (A)\({10^{ - 9}}\) (B)\({10^{ - 12}}\) (C)\({10^9}\) (D)\({10^{12}}\)...

: Pico means
(A)10−9{10^{ - 9}}
(B)10−12{10^{ - 12}}
(C)109{10^9}
(D)1012{10^{12}}

Explanation

Solution

Pico is a unit prefix in the metric system denoting a factor of 10−12.

Complete step-by-step answer:
Pico is a measuring unit which is equal to10−12{10^{ - 12}}.
It denotes one trillionth. It is a unit prefix in the metric system and denoted by p.
Pico meter is equal to 10−12{10^{ - 12}}.
Hence, option (B) is correct option.
Additional information:
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or sub multiple of the unit.
All metric prefixes used now a today’s are decadic. Each prefix has a unique symbol that is used as a prefix to any unit symbol.
Other units in metric system are
One nano (n) is equals to10−9{10^{ - 9}} .
One micro (μ) is equals to10−6{10^{ - 6}} .
One milli (m) is equals to10−3{10^{ - 3}} .
One centi (c) is equal to10−2{10^{ - 2}} .
One deci (d) is equal to10−1{10^{ - 1}}.
One deca (da) is equal to101{10^1} .
One hecto (h) is equal to102{10^2}.
One kilo (k) is equal to103{10^3}.
One mega (M) is equal to106{10^6} .
One giga (G) is equals to109{10^9}.
One tera (T) equals to1012{10^{12}}.
Decimal multiplicative prefixes have been a feature of all forms of the SI prefix of the metric system and the metric prefix is also sometimes used with non-metric units.

Note:
Smaller than Pico is femto 10−15{10^{ - 15}} and greater than Pico is Nano 10−9{10^{ - 9}}
Pico meter is used for the length measurements of small order. It has wide application in particle physics, quantum physics, quantum chemistry, acoustic etc.
Some examples, Diameter of atom is in between 62 to 520 pm, carbon-carbon single bond length is 154pm in length, etc.