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AQA · GCSE · Physics

Radio waves and communication
Practice Questions

20 AQA GCSE Physics questions on Radio waves and communication, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Radio waves and communication

Question 1 · 1 mark · Difficulty 1/3

Which part of the electromagnetic spectrum has the longest wavelength?

  1. A. Microwaves
  2. B. Infrared
  3. C. Radio waves
  4. D. Visible light
Show answer & explanation
✓ Answer: CC. Radio waves
Radio waves have the longest wavelengths in the electromagnetic spectrum, ranging from about 1 mm to over 100 km. This places them at the low-frequency, low-energy end of the spectrum.
Question 2 · 1 mark · Difficulty 2/3

A radio wave has a frequency of 100 MHz. What is its wavelength? (Speed of light = 3 × 10⁸ m/s)

  1. A. 3 m
  2. B. 30 m
  3. C. 0.3 m
  4. D. 300 m
Show answer & explanation
✓ Answer: AA. 3 m
Using the wave equation v = fλ, we get λ = v/f = (3 × 10⁸) / (100 × 10⁶) = 3 m. Students often make errors with unit conversion, so it is important to convert MHz to Hz first.
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20 questions · 25 min · free

AQA GCSE Physics: Radio waves and communication FAQ

How many AQA GCSE Physics questions on Radio waves and communication are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Radio waves and communication for AQA GCSE Physics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real AQA paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for AQA GCSE students preparing for Physics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Radio waves and communication practice with other Physics topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Radio waves and communication questions aligned to the official AQA GCSE Physics syllabus?
Every question is written against the published AQA GCSE Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Radio waves and communication typically tested on AQA GCSE Physics papers?
Radio waves and communication appears across multiple question types on real AQA GCSE Physics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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