Key concepts of physics - Edexcel

1

Which is NOT an SI base unit?

2

Why is hertz a derived unit?

3

Which of these is a derived unit?

4

What is the abbreviation for the unit for power?

5

What is the value of 26 GW?

6

What is equivalent to 0.015 µm?

7

How many seconds are there in one day?

8

How many significant figures are quoted in 12,000 J?

9

What is 345,678 to three significant figures?

10

Why is 0.000630 stated as being three significant figures?