HomeEveryday Science MCQsThe frequency of ultrasound wave is typically? 1619. The frequency of ultrasound wave is typically?By Admin / September 17, 2025 A. Above 20 kHz B. Above 20,000 kHz C. Below 20 kHz D. Below 02 kHz ✅ The correct answer is option C.
1. Which of the following does not pollute the air? Leave a Comment / Everyday Science MCQs / By Admin
2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin