Question 1
1 markWhich part of the electromagnetic spectrum is used for both satellite communications and cooking food?
AQA GCSE · Physics 8463
Electromagnetic waves: Practice Questions
5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Electromagnetic waves.
8 questions17 marksFree, no account
Question 2
1 markWhy are ultraviolet waves, X-rays, and gamma rays considered more hazardous to human body tissue than radio waves?
Question 3
1 mark(HT only) Which of the following is a correct description of how radio waves are generated in a transmitter?
Question 4
1 markIn which of these mediums do electromagnetic waves travel at the same velocity?
Question 5
1 markWhich type of electromagnetic radiation is produced by changes in the nuclei of atoms?
Question 6
2 marksState the property of electromagnetic waves that remains the same for all types when they travel through a vacuum.
Write your answer out first, then check it against the worked solution.
Question 7
5 marks(HT only) Explain how radio waves can induce an alternating current in a receiving electrical circuit.
Write your answer out first, then check it against the worked solution.
Question 8
5 marks(HT only) Explain how the production of radio waves in a transmitting antenna is related to the oscillations of electrons, and describe what happens when these waves are absorbed by a receiving aerial.
Write your answer out first, then check it against the worked solution.
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