A travelling wave in a stretched string

CUET Preparation Today

Start Free Mocks

Home Questions E72CPZMTMX

Target Exam

CUET

Subject

Physics

Chapter

Units and Measurements

Question:

A travelling wave in a stretched string is described by the equation y = A sin(kx - ωt) The dimension of k is :

Options:

M⁰L^-1T⁰

M⁰L⁰T⁰

M⁰L²T⁰

MLT^-1

Correct Answer:

M⁰L^-1T⁰

Explanation:

k = $\frac{2π}{λ}$

∴ Dimension of k = L^-1