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] 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
A car travels at 13 m/s. The driver sees a hazard. The thinking distance is 9 m and the braking distance is 14 m.
.1Calculate the stopping distance.
[1 mark] .2Which of these increases the thinking distance?
[1 mark] .3Calculate the driver's reaction time.
[2 marks] 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] 5 marksFoundation
A student drops a ball of mass 0.20 kg from a height of 1.5 m.
Gravitational field strength = 9.8 N/kg.
.1Which energy store of the ball decreases as it falls?
[1 mark] .2Calculate the energy transferred from this store as the ball falls 1.5 m.
[2 marks] .3Assume all of this energy is transferred to the ball's kinetic store.
Calculate the speed of the ball just before it hits the ground.
[2 marks]