Arithmetic with Significant Figures

JEE Main Physics · Errors, Significant Figures and Measuring Instruments · 4 questions, latest first

• Keeping the significant figures in view, the sum of the physical quantities 52.01 m, 153.2 m and 0.123 m is:202621 January, Shift 2 · Q26
• A person measures mass of 3 different particles as 435.42 g, 226.3 g and 0.125 g. According to the rules for arithmetic…20253 April, Shift 1 · Q26
• For an experimental expression y=(32.3 × 1125)/27.4, where all the digits are significant. Then to report the value of y we…202524 January, Shift 1 · Q26
• Time periods of oscillation of the same simple pendulum measured using four different measuring clocks were recorded as 4.62 s,…20245 April, Shift 1 · Q50