Skip to content / Đến nội dung
SachHeCam.com

Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 11: Sound - Question 45

Cambridge Secondary (7-9) · Unit 11: Sound

Question 45

Study the waveform graph. Circle the correct word in brackets to make the sentence true.

Question illustration

The time for one complete cycle in this example is (10 ms / 20 ms / 30 ms).
  1. 10 ms
  2. 20 ms
  3. 30 ms
0
0
GIỎ HÀNG
Empty CartGIỎ CHƯA CÓ GÌQUAY LẠI SHOP