logo

Cambridge IGCSE Combined Science practice

Paper 4 structured question: Electromagnetic spectrum

Try the question first, then check the answer and practise the same topic again.

Attempt questionElectromagnetic spectrum revisionRevise the key idea

At a glance

4

Paper

2

Marks

Topic

Electromagnetic spectrum

Exam-style question

Try this first

Paper 4Theory (Extended)2 marks

Understanding the speed of electromagnetic waves is crucial in various applications.

Description

Speed of Electromagnetic Waves

Electromagnetic waves travel at a speed of 3.0 × 10^8 m/s in a vacuum. This speed is a fundamental constant in physics and is essential for understanding wave behavior.

  1. a

    Explain the significance of the speed of electromagnetic waves in a vacuum.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 4 structured question: Electromagnetic spectrum

Paper 4Theory (Extended)3 marks

Description

Electromagnetic Wave Speed

In a vacuum, electromagnetic waves travel at a speed of 3.0 × 10^8 m/s. This speed is fundamental to the study of physics and wave behavior.

  1. a

    Describe how the speed of electromagnetic waves affects their behavior in different media.

    Aim for approximately 3 distinct marking points.

    [3]