Units and Measurements

JEE Main · Physics · 16 past questions

These are the board's own papers. 185 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q2 2026 2 Apr Shift 1

   The diameter of a wire measured by a screw gauge of least count 0.001 cm is 0.08 cm. The length measured by a…

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2. Q10 2026 5 Apr Shift 2

   In an experiment to determine the resistance of a given wire using Ohm's law, the voltmeter and ammeter…

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3. Q11 2026 6 Apr Shift 1

   The density $\rho$ of a uniform cylinder is determined by measuring its mass $m$, length $l$ and diameter…

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4. Q13 2026 6 Apr Shift 2

   The percentage error in the calculated volume of a sphere, if there is 2% error in its diameter measurement…

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