In one or two sentences

PHYSICS · Subjective · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

In one or two sentences, explain how dimensional analysis shows that the integral ∫ab ⁣1+(dydx)2 dx\displaystyle \int_{a}^{b}\!\sqrt{1+\left(\dfrac{dy}{dx}\right)^{2}}\,dx represents a length.

Related theory

Browse the problem library