Why can electromagnetic waves transfer energy through empty space?
They use a gravitational field to travel.
They do not need particles of matter to travel.
They use collisions between particles to travel.
They need particles of matter to travel.
Flashcards for Edexcel GCSE Physics The electromagnetic spectrum, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 24 cards, matched to the Edexcel GCSE Physics (1PH0) specification. Recall questions account for roughly 40% of marks at GCSE Physics, so these target the marks you can secure before the paper starts.
