Two simple pendulums having lengths l₁ and l₂ with negligible string mass undergo angular displacements θ₁ and θ₂, from their mean positions, respectively. If the angular accelerations of both pendulums are same, then which expression is correct?

(A) θ₁ l₂² = θ₂ l₁²

(D) θ₁ l₁² = θ₂ l₂²

Oscillations and Waves: JEE Main 2025 Physics question

JEE Main 2025 · 4 Apr, Morning shift · Q39

JEE Main 20254 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

Two simple pendulums having lengths

l_1

and

l_2

with negligible string mass undergo angular displacements

\theta_1

and

\theta_2

, from their mean positions, respectively. If the angular accelerations of both pendulums are same, then which expression is correct?

JEE Main 2025 Oscillations and Waves Question with Solution (4 Apr Morning shift, Q39) | JEE Arc

JEE Main 2025 · 4 Apr, Morning shift · Q39

JEE Main 20254 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

Two simple pendulums having lengths

l_1

and

l_2

with negligible string mass undergo angular displacements

\theta_1

and

\theta_2

, from their mean positions, respectively. If the angular accelerations of both pendulums are same, then which expression is correct?