Paper 1 Exam Questions

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

e

Answer 6

Look at the equation

Question 7

Answer 7

Question 8

Answer 8

Question 9

Answer 9

Question 10

Answer 10

Question 11

.

Answer 11

Always state PARTICLES

Question 12

.

Answer 12

ALWAYS USE LATENT HEAT WHEN TALKING ABOUT CHANGE IN STATE

Question 13

.

Answer 13

LOOK at the EQUATIONS.

Dont talk about mass as both Ek and Ep are dependent on Mass

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

The National Grid ensures that fossil fuel power stations in the UK only produce
about 33% of the total electricity they could produce when operating at a maximum
output.

Suggest two reasons why.
[2 marks]

Answer 17

 conserves fuel reserves

 spare capacity to compensate
for unreliable renewable
resources

 provides spare capacity in
case of power station
emergency shut-down

 so as to not make
unnecessary environmental
impact

Question 18

If the electrician touches the live wire he will receive an electric shock.

Explain why.

Answer 18

(because the) potential of the
live wire is 230 V

(and the) potential of the
electrician is 0 V

(so there is a) large potential
difference between live wire and
electrician

charge / current passes through
his body