GCSE Questions - Electromagnetic Spectrum
Q8.The diagram shows the position of three types of wave in the electromagnetic spectrum.
(a) Which letter indicates the position of visible light in the spectrum?
(b) Which one of the four statements below about electromagnetic waves is correct?
Tick one box.
(c) Give one possible danger of exposing your skin to ultraviolet radiation.
(d) Having an X-ray taken exposes a person to ionising radiation.
The table below gives the average radiation dose for an X-ray of the chest and an X-ray of the upper digestive system.
The risk of an X-ray causing cancer is about 1 in 20 000 for each mSv of radiation received.
Using the data from the table, compare the risk of developing cancer from having an X-ray of the upper digestive system with the risk from having an X-ray of the chest.
(Total 5 marks)