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pV = constant (Boyle's Law) AQA GCSE Physics

Total questions: 10

Worksheet time: 13mins

Name
Class
Date
1.

Which of these formulae is correct?

a)

V/p = Constant

b)

pV = Constant

c)

p1V1 = p2V2

d)

p/V = constant

2.

What condition must be kept constant for Boyle's law to apply? (from the last question)

a)

Volume

b)

Energy

c)

Heat

d)

Temperature

3.

The relationship between Pressure and Volume at a fixed temperature is...

a)

Complicated

b)

Inversely Proportional

c)

Directly Proportional

d)

Random

4.

What are the units for Pressure?

a)

Henrys, H

b)

Siemens, S

c)

Pascals, Pa

d)

Newtons, N

5.

A bike pump has 20cm3 of air in it at a pressure of 100kPa, the air is pumped into a tyre of volume 100cm3, what is the new pressire?

a)

20 Pa

b)

100kPa

c)

20kPa

d)

0.05kPa

6.
Some gas is put into a syringe. The initial volume of the gas in the syringe was 12 cm3.The initial pressure of the gas in the syringe was 101 000 Pa. Calculate the constant
a)

12,120,000 Pa cm3

b)

0.00011 Pa cm3

c)

8416 Pa cm3

d)

1,212,000 Pa cm3

7.
When the volume of gas in a syringe was 45 cm3, the pressure gauge showed a value of 60 kPa. Calculate the pressure in the gas when the volume of gas in the syringe was 40 cm3.
a)

67.5 kPa

b)

55.0 kPa

c)

70.0 kPa

d)

60 kPa

8.
 The pressure of helium in a balloon is 100 000 Pa. The volume of the balloon is 0.030 m3. The balloon is compressed at a constant temperature causing the volume to decrease to 0.025 m3. No helium leaves the balloon. Calculate the new pressure in the balloon.
a)

140 000 Pa

b)

80 000 Pa

c)

100 000Pa

d)

120 000 Pa

9.
pressure = 1.6 × 105 Pa
Volume = 9.0 cm3
Calculate the volume of the gas when the pressure was 1.8 × 105 Pa. The temperature of the gas was constant.


a)

10.0 cm3

b)

8.0 cm3

c)

9.0 cm3

d)

12 cm3

10.

How confident are you are using pV = constant?

a)

This was easy, I got most of them right

b)

I got some right but I will need to try some more when I revise

c)

I didn't really understand how to re-arrange the equation but I could substitute. I didn't get many right.

d)

I don't understand how to substitute the terms so could not even attempt the maths