Hover or tap underlined Spanish terms to see their translation and exam tip.
La capa de la atmósfera terrestre donde se produce la reflexión o rebote de las ondas hertzianas de MF y HF (onda media y onda corta), se denominaThe layer of the Earth’s atmosphere that reflects radio waves of MF and HF (medium and short wave) is the:
Show the answer
Correct answer: a) Ionosphere.
Why it is correct
Its ions reflect medium and short waves.
Why the others are not
- b) It is not the one that reflects those waves.
- c) It is not the one that reflects those waves.
- d) It filters ultraviolet.
How to work it out in the exam
- Radio: ionosphere.
Where this question comes from
- Región de Murcia · 2017 · 2ª convocatoria · CY Tipo 1 · question 21 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.