Problem 2: The length of a pendulum is (1.5 ± 0.01) m and the acceleration due to gravity is taken (9.8 ± 0.1) ms-2. Calculate…
Problem 1: A circular pizza into 3 equal parts, one piece of pizza is taken out. Estimate the degree measure of the single piece of…
Numerical Problems on Measurement, Physics 11 See here solved numerical problems on Measurement (new course) included in the Physics course for First Year students. S…
Question 8: What is meant by the dimensions of physical quantities? What are limitations and applications of dimensional analysis? Answer Dimensions of physical quantity “It…
Question 7: Differentiate between precision and accuracy in measurement? Answer Precision Precision means how well your experimental values agree with one another. Take an example.…
Question 5: What is uncertainty in measurement? Explain the propagation of uncertainty in addition, subtraction, multiplication and division. Answer Uncertainty in Measurement “It is the…
Question 6: What are significant figures? What are the rules for determining significant figures in the final result after addition, subtraction, multiplication and division? Answer…
Question 2: What is system of units? In SI, what is meant by base, derived and supplementary units? Answer Definition of system of units A…
Question 9: If an equation is dimensionally correct, is that equation a right equation? Answer May be and may not be. We know that a…
Question 8: The human pulse and the swing of a pendulum are possible time units. Why are they not often used? Answer Time standard Any…