Physics

Question 1

what word is used for the number of waves passing a point each second?

Answer 1

Frequency

Question 2

Which electromagnetic waves are ionising?

Answer 2

Gamma,xray,ultraviolet

Question 3

What phrase is used for the ‘distance a vehicle travels under the braking force’

Answer 3

Braking distance

Question 4

The steeper the line on a distance-time graph….

Answer 4

the quicker the speed

Question 5

State two uses of microwaves

Answer 5

Satellite communications, heating food

Question 6

Units of mass

Answer 6

Kilograms (kg)

Question 7

unit of force

Answer 7

Newtons or N

Question 8

What is a vector quantity

Answer 8

a quantity with magnitude and direction

Question 9

what is a scalar quantity

Answer 9

a quantity with only magnitude

Question 10

what type of waves are sound waves travelling through the air?

Answer 10

longitudinal waves

Question 11

what word means ‘rate of change of velocity?

Answer 11

acceleration