Types of Measurements and The Meter

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Questions and Answers

What system of units did the metric conversion law in 1978 prescribe the use of?

  • British Imperial System
  • Chinese Metric System
  • International System of Units (SI) (correct)
  • US Customary System

In the context of angular measurements, what is the SI unit for plane angles?

  • Minute
  • Radian (correct)
  • Degree
  • Grad

What is the purpose of measurement?

  • To compare different quantities
  • To establish treaties between countries
  • To create new measuring instruments
  • To determine the size of a quantity in relation to a standard (correct)

When is an indirect measurement used?

<p>When directly applying a measuring instrument is not feasible (D)</p> Signup and view all the answers

What was the original definition of the meter?

<p>1/10,000,000 of the earth’s meridional quadrant (B)</p> Signup and view all the answers

How was the modern meter redefined in 1960?

<p>In wavelengths of orange-red light from Krypton (C)</p> Signup and view all the answers

What was the main reason for proposing the meter in 1789?

<p>To create a system suitable for all times and peoples (C)</p> Signup and view all the answers

Which treaty signed in 1875 established the International Bureau of Weights and Measures?

<p>Paris Treaty (A)</p> Signup and view all the answers

What material is the International Meter based on?

<p>Platinum and Iridium (B)</p> Signup and view all the answers

In what year was the English System officially phased out in the Philippines?

<p>1983 (B)</p> Signup and view all the answers

What element was used to define the modern meter in 1960?

<p>Krypton (D)</p> Signup and view all the answers

Which type of measurement makes use of instruments to measure the quantity directly?

<p><strong>Direct Measurements</strong> (B)</p> Signup and view all the answers

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