Khoảng cách giữa 2 vòng tròn sóng liên tiếp

Tại một điểm O trên mặt thoáng của chất lỏng yên lặng, ta tạo ra một dao động điều hòa vuông góc với mặt thoáng có chu kì 0,5s. Từ O có các vòng tròn lan truyền ra xa xung quanh, khoảng cách hai vòng liên tiếp là 0,5m. Vận tốc truyền sóng nhận giá trị nào trong các giá trị sau:

A.

1,5m/s.

B.

1m/s.

C.

2,5m/s.

D.

1,8m/s.

Đáp án và lời giải
Đáp án:B
Lời giải:

Phân tích: Từ O có các vòng tròn lan truyền ra xa xung quanh, khoảng cách hai vòng liên tiếp là 0,5m

Vận tốc truyền sóng:

Vậy đáp án đúng là B

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