[SPM Physics Wave Question] How to solve this?

[maria]

[Far]

Hello!

Physics Wave Question

30 Diagram 20 shows an interference pattern. Rajah 20 menunjukkan satu corak interferens.

Diagram 20 / Rajah 20
What is the wavelength of the waves? Apakah panjang gelombang bagi gelombang itu?
\mathrm{A}
\begin{array}{lll}0.27 \mathrm{~cm} & \mathrm{C} & 1.88 \mathrm{~cm}\end{array}
B
\begin{array}{lll}0.71 \mathrm{~cm} & \mathrm{D} & 3.75 \mathrm{~cm}\end{array}

Physics Wave Solution

The wavelength can be calculated by using formula:

ANSWER : B

[maria]

Thank you so much, I understand now

[Far]

You are welcome!