Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
ELECTROMAGNETIC WAVES
Question #84552
Back to Home
View All ELECTROMAGNETIC WAVES Questions
16 Views
Question
Can electromagnetic waves exist in vacuum?
A. No, they need air
B. Only in water
C. Yes, because they are self-sustaining
D. Only in metals
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Why is the displacement current called 'current' if no charges move?
17
What is the primary factor that makes UV radiation suitable for precision surgery?
18
What is the peak magnetic field corresponding to a peak electric field of 4.07 V/m?
16
What natural disaster affected Taiwan on July 7-8, 2025, causing casualties and power outages?
(Current Affairs)
33
Why might Hungary’s opposition to Ukraine’s EU membership affect Moldova’s accession process?
(Current Affairs)
27