CIE iGCSE Co-Ordinated Science P3.3 Electromagnetic spectrum Exam Style Questions Paper 1
Question
Which statement about the electromagnetic spectrum is correct?
A Gamma-radiation has a lower frequency than visible light.
B Infrared radiation has a higher frequency than radio waves.
C Microwaves have a smaller wavelength than ultraviolet radiation.
D X-rays have a larger wavelength than visible light.
▶️Answer/Explanation
Ans :A
Question
Which group shows electromagnetic waves in order of increasing frequency (lowest frequency first)?
(A) gamma-rays → X-rays → ultraviolet waves
(B) microwaves → infrared waves → gamma-rays
(C) ultraviolet waves → radio waves → infrared waves
(D) X-rays → radio waves → microwaves
▶️Answer/Explanation
Ans: B
Question
Which type of electromagnetic wave is emitted by a television remote controller?
(A) gamma (ϒ)-rays
(B) infrared
(C) ultraviolet
(D) X-rays
▶️Answer/Explanation
Ans: B
Question
Which electromagnetic waves have the lowest frequency?
(A) gamma
(B) infrared
(C) ultraviolet
(D) radio
▶️Answer/Explanation
Ans: D