Home
Which of the following travels at the speed of light?

Question 1:

Which of the following travels at the speed of light?

A. All of these

B. Radio rays

C. Gamma rays

D. X rays

These questions are from this test. Would you like to take a practice test?

Trivial Practice Quiz science-technology - Test 33 | Englishfreetest.com

30 minutes
15 questions