Physics 0625 · IGCSE · Electromagnetic spectrum

Electromagnetic spectrum — practice question

At the beginning of the Universe, gamma radiation was present. As time has passed, this radiation has moved into the microwave part of the electromagnetic spectrum. What effect has this change had on the radiation’s wavelength and speed?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI