defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series General Science Physics Wave

The frequency of Infrasonic waves is ________.

1
20 Hz and 20 kHz
2
Above 20 kHz
3
Below 20 Hz
4
None of these
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters