HomeGeneral KnowledgeSound of frequency below 20 Hz is called 6017. Sound of frequency below 20 Hz is calledBy Admin / September 19, 2025 A. audio sounds B. infrasonic C. ultrasonic D. supersonics ✅ The correct answer is option B.
1. In which field is the Dhanwantri Award given? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin
2. Which of the following awards was conferred on Mrs. Kiran Bedi? Leave a Comment / Awards and Honours MCQs, General Knowledge / By Admin