3 marksFoundation
A kettle is connected to the mains supply with a three-core cable.
.1What colour is the insulation on the live wire?
[1 mark] .2Give the frequency of the UK mains supply.
[1 mark] .3Give the name of the wire that is a safety wire and carries a current only if there is a fault.
[1 mark] 3 marksFoundation
Alpha, beta and gamma are three types of nuclear radiation.
.1Which type of radiation is the most penetrating?
[1 mark] .2Which type of radiation is made of two protons and two neutrons?
[1 mark] .3Give a material that stops beta radiation.
[1 mark] 4 marksFoundation
Electricity can be generated from many different energy resources.
.1Which two resources are renewable? Choose two.
[2 marks] .2Give the meaning of the word renewable.
[1 mark] .3Give one disadvantage of generating electricity from wind turbines.
[1 mark] 5 marksFoundation
Electromagnetic waves form a continuous spectrum. Radio waves are at one end and gamma rays are at the other.
.1Which type of electromagnetic wave has the longest wavelength?
[1 mark] .2Name the type of electromagnetic wave that is between X-rays and visible light in the spectrum.
[1 mark] .3What is the same for all electromagnetic waves in a vacuum?
[1 mark] .4Give one use of infrared radiation.
[1 mark] .5What type of wave are all electromagnetic waves?
[1 mark] 5 marksFoundation
The graph shows a wave on a rope at one instant.
036912151821242730−3−2−1123Distance in cmDisplacement in cm
.1Which of these is a longitudinal wave?
[1 mark] .2Use the graph to determine the amplitude of the wave.
[1 mark] .3Use the graph to determine the wavelength of the wave.
[1 mark] .4Describe the difference between a transverse wave and a longitudinal wave.
[2 marks] 