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Precision, Accuracy, and Error Propagation MCQs

Prepare for Precision, Accuracy, and Error Propagation MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Precision, Accuracy, and Error Propagation

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Master Precision, Accuracy, and Error Propagation MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Precision, Accuracy, and Error Propagation.
Past Papers
Includes frequently repeated questions from past examinations.
Solved & Verified
Each question features verified answers and conceptual explanations.

Preparation Guide & Key Focus Areas for Precision, Accuracy, and Error Propagation MCQs

When preparing for Precision, Accuracy, and Error Propagation MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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1
A quantity y is related to another quantity x by the equation y = k x^a where k and a are constants. If percentage error in the measurement of x is p, then that in y depends upon
2
The maximum possible error in the reading for a meter rod with least count 1 mm is:
3
The period of oscillation of a simple pendulum in an experiment is recorded as 2.56 s, 2.42 s, 2.53 s, 2.71 s, 2.80 s respectively. The mean absolute error is
4
One side of a cubical block is measured with the help of a vernier callipers of vernier constant 0.01 cm. This side comes out to be 1.23 cm. What is the percentage error in the measurement of area?
5
If the area of a square is (100 ± 0.2) cm², then the side of the square is
6
An observer notes reading of scale from different angle (parallax) while measuring the length of wire, what type of error is possible:
7
A resistor of 6 kΩ with tolerance 10% and another of 4 kΩ with tolerance 10% are connected in series. The tolerance of the combination is about
8
The maximum possible error in the reading of an instrument is _____ its least count:
9
The discharge Q over a notch for head H is calculated by the formula Q = K H^{5/2}, where K is a given constant. If the head is 75 cm and an error of 0.15 cm is possible in its measurement, the percentage error in computing the discharge is:
10
What fractional error arises from neglecting the buoyancy of air in weighing an object of density 3.4 g cm^-3 on a beam balance?