In an experiment the values of two spring constants were measured as k₁=(10±0.2) N/m and k₂=(20±0.3) N/m. If these springs are connected in parallel, then the percentage error in equivalent spring constant is:

Units and Measurements: JEE Main 2026 Physics question

JEE Main 2026 · 21 Jan, Morning shift · Q44

JEE Main 202621 Jan, Morning shiftPhysicsMediumUnits and Measurements122× since 2002

In an experiment the values of two spring constants were measured as

k_1=(10\pm0.2)

N/m and

k_2=(20\pm0.3)

N/m. If these springs are connected in parallel, then the percentage error in equivalent spring constant is :

JEE Main 2026 · 21 Jan, Morning shift · Q44

JEE Main 202621 Jan, Morning shiftPhysicsMediumUnits and Measurements122× since 2002

In an experiment the values of two spring constants were measured as

k_1=(10\pm0.2)

N/m and

k_2=(20\pm0.3)

N/m. If these springs are connected in parallel, then the percentage error in equivalent spring constant is :