WAEC Physics 2015 Objective — Question 33

Question 33 of 50 from the West African Examinations Council (WAEC) Physics 2015 Objective paper, with the correct answer and a full explanation.

All electromagnetic waves in a vacuum have the same

A. wavelength
B. frequency
C. speedCorrect
D. amplitude

Explanation

All electromagnetic waves travel at the same speed in a vacuum (the speed of light, c), though their wavelengths, frequencies and amplitudes may differ.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Physics 2015 Objective More Physics past papers