# A Metric System Knowledge Quiz

10 Questions | Total Attempts: 127  Settings  Welcome to "A Metric System Knowledge Quiz. " The French standards meter originated in the 1970s as 1/ten-millionth of the distance from the equator to the North pole along a meridian through Paris. But it's history started centuries ago with the work of Nicolaus Copernicus in 1543. So, what do you know about the meter? Take our quiz and find out now.

• 1.
• A.

Inches

• B.

The Toise of Paris

• C.

The Eiffel Tower

• D.

Feet

• 2.
• A.

It's a unit of measure of length

• B.

It's a unit of measure of a circle

• C.

It's a unit of measure of a cube

• D.

It's a unit of measure of time

• 3.
What was the general scaling system?
• A.

The archives

• B.

The metre of renaissance

• C.

The metre des archives

• D.

The metre of Rousseau

• 4.
When was the metric system adopted in France?
• A.

In 1802

• B.

In 1780

• C.

In 1770

• D.

In 1799

• 5.
• A.

It's the system of unites based on distance

• B.

It's the system of units based on time

• C.

It's the system of units based on metre

• D.

It's the system of unites based on liters

• 6.
When did the metric system become the sole legal system of weights and measures?
• A.

From 1830

• B.

From 1820

• C.

From 1801

• D.

From 1810

• 7.
What is krypton?
• A.

It's a liquid at room temperature allowing for easier isotopic enrichment

• B.

It's a rock

• C.

It's a gas at room temperature allowing for easier isotopic enrichment.

• D.

It's a planet

• 8.
What is the original definition of the metre?
• A.

It's a stretched distance.

• B.

It's the length equal to 1 wave length in vacuum of radiation corresponding to the transition between the levels 2p10 and 5d5 of the krypton 86 atom.

• C.

It's the length equal to 1650 763.73 wavelengths in vacuum of radiation corresponding to the transition between the levels 2p10 and 5d5 of the krypton 86 atom.

• D.

It's the length equal to 165 wavelengths in vacuum of radiation corresponding to the transition between the levels 2p10 and 5d5 of the krypton 86 atom.

• 9.
What is the 1983 and more modern definition of the metre?
• A.

It's the length of the path traveled by light in a vacuum in 1/299,792,458 of a second.

• B.

It's the length of the path traveled by light in a vacuum in 1/500 of a second.

• C.

It's the length of the path traveled by light in a vacuum in 1/230 of a second.

• D.

It's a stretched distance

• 10.
What's the purpose of airy points?
• A.

They are used to measure the condensation phase of liquids.

• B.

They are used to measure the pressure in liquids.

• C.

They are used to measure the density of the air.

• D.

They are used for precision measurement.

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