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GCSE Physics › P.6.2 Electromagnetic waves
Free AQA GCSE Physics practice questions on Electromagnetic waves. Sample questions below with detailed mark schemes — sign up to practise the full set with spaced repetition.
A mobile phone communicates with a nearby transmitter mast using radio waves. These waves travel through the air and carry signals that allow calls and data to be sent and received.
A mobile phone transmits data using electromagnetic waves. These waves travel through the air and are received by a nearby mobile phone mast. The mast then sends the signal to other networks around the world.
A local radio station broadcasts using radio waves with a frequency of 200 kHz. All electromagnetic waves travel at a speed of 3.0 × 10^8 m/s in air.
Microwaves are used to transmit signals between satellites in space and ground stations on Earth. These signals can travel through the vacuum of space to reach orbiting communication satellites.
A student is researching sun protection for a holiday. They read that ultraviolet waves from the Sun can damage skin, causing sunburn and increasing the risk of skin cancer. The student also learns that infrared waves from the Sun are responsible for the warming sensation on the skin.