2. Masses P and Q, are measured to be (30 ± 1) g and (20 ± 1) g respectively. Which of the following

Masses P and Q, are measured to be (30 ± 1) g and (20 ± 1) g respectively. Which of the following expressions gives the least percentage uncertainty?
A. P + Q
B. P - Q
C. P × Q
D. P/Q

This question is about the usage of concepts from the chapter ERRORS, relative error, percentage error, absolute error, uncertainity, estimations, to answer this MCQ. This question is taken from IBDP Paper-1, TZ0 PHYSICS SL 2023 MAY. EXAM. To see all the MCQs for this exam and also for other exams or past papers, visit: https://rathankar.com Links

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