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3 of 3 objectives have lessons · 0 studied · 0 secure
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
State that every electromagnetic wave is transverse and that all electromagnetic waves travel at the same speed c in free space.
Taught in: Electromagnetic waves are transverse · 5 questions
Recall the approximate range of free-space wavelengths covered by each principal region of the electromagnetic spectrum, from radio waves to γ-rays.
Taught in: The order of the electromagnetic spectrum · 3 questions
Recall that the human eye can see free-space wavelengths in the range 400–700 nm.
Taught in: The order of the electromagnetic spectrum · 3 questions