Angstrom

The transcript discusses a unit of measurement equivalent to 110 millionth of a millimetre or 10^-10 metres. Although not an official SI unit, it is frequently used to describe small distances like chemical bonds, molecules, or electromagnetic wavelengths. The unit is named after Swedish physicist Jonas Angstrom.

What is the equivalent of 110 millionth of a millimetre in metres?

• 10 to the power of -10 metres

• 10 to the power of -8 metres

• 10 to the power of -6 metres

• 10 to the power of -12 metres

Which of the following is NOT a common use of the unit discussed?

• Describing electromagnetic wavelengths

• Measuring chemical bonds

• Expressing molecular sizes

• Calculating large distances

What is the unit commonly used to express?

• Temperature changes

• Large distances

• Small distances

• Time intervals

Who is the unit named after?

• Marie Curie

• Jonas Angstrom

• Isaac Newton

• Albert Einstein

Which country was the physicist Jonas Angstrom from?

• Norway

• Finland

• Denmark

• Sweden