CMS SI Units & Prefixes 3

Question 1

Which unit is NOT an SI base unit?

Accepted Answer

Newton

Answer

Kilogram

Answer

Metre

Answer

Second

Question 2

What is the SI prefix for 10⁻¹²?

Accepted Answer

Pico

Answer

Nano

Answer

Femto

Answer

Atto

Question 3

The joule (J) is the SI unit of energy, equivalent to:

Accepted Answer

kg·m²/s²

Answer

kg·m/s²

Answer

kg/m·s²

Answer

N/m

Question 4

Which prefix represents 10¹⁵?

Accepted Answer

Peta

Answer

Tera

Answer

Exa

Answer

Zetta

Question 5

The SI unit for plane angle is:

Accepted Answer

Radian

Answer

Degree

Answer

Steradian

Answer

Gradian

Question 6

What does the SI prefix 'deca-' mean?

Accepted Answer

10

Answer

10⁻¹

Answer

100

Answer

1000