Consider the wave equation y = 5mm sin [1cm -1 x - 60s -1 t].
PHYSICS
JAMB 2022
Consider the wave equation y = 5mm sin [1cm-1x - 60s-1t]. The wave number is?
- A. 0.1 cm-1
- B. 10cm-1
- C. 1.0cm-1
- D. 2cm-1
Correct Answer: C. 1.0cm-1
Explanation
The angular wave number k = \(\frac{2π}{λ}\) expresses the number of radians in a unit of distance.
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *