CMS SI Units & Prefixes 2

Question 1

The prefix 'centi-' equals which power of ten?

Accepted Answer

10⁻²

Answer

10⁻¹

Answer

10⁻³

Answer

10⁻⁶

Question 2

Which SI unit measures the amount of substance?

Accepted Answer

Mole

Answer

Kilogram

Answer

Candela

Answer

Becquerel

Question 3

What does the SI prefix 'mega-' represent?

Accepted Answer

10⁶

Answer

10³

Answer

10⁹

Answer

10¹²

Question 4

The pascal (Pa) is the SI derived unit for:

Accepted Answer

Pressure

Answer

Energy

Answer

Power

Answer

Force

Question 5

Which SI prefix is abbreviated with a lowercase 'u' in ASCII contexts?

Accepted Answer

Micro

Answer

Milli

Answer

Nano

Answer

Pico

Question 6

The SI unit of frequency is the hertz (Hz), which equals:

Accepted Answer

Cycles per second

Answer

Cycles per minute

Answer

Radians per second

Answer

Oscillations per hour