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Units and Measurements question

2023 · Shift 1 · Q44

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JEE Advanced
Physics
Units and Measurements
2023 · Shift 1 · Q44

Units and Measurements question

2023 · Shift 1 · Q44

JEE AdvancedPhysicsUnits and MeasurementsNumerical+4 / −1

In an experiment for determination of the focal length of a thin convex lens, the distance of the object from the lens is

10 \pm 0.1 \mathrm{~cm}

and the distance of its real image from the lens is

20 \pm 0.2 \mathrm{~cm}

. The error in the determination of focal length of the lens is

n \%

. The value of

n

is

\underline{\hspace{2cm}}

.

Numerical answer

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