Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Q.

Sound waves above 20,000 Hz are called:

A Overtones
B Infrasonic
C Supersonic
D None of these
Answer & Explanation
Option: [C]

Your Valuable Comments Please...

Please Like Us
Brand

Recommended Books for Competitive Exams

VIEW ALL