Class 11 Physics: Units and Measurements Worksheet
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Q1 · MCQ · 1 mark
Which of the following is NOT a fundamental quantity in the SI system?
Q2 · MCQ · 1 mark
The dimensional formula for energy is:
Q3 · MCQ · 1 mark
If the percentage error in the measurement of radius 'r' is 2%, then the percentage error in the measurement of volume of a sphere is:
Q4 · MCQ · 1 mark
Which of the following pairs has the same dimensions?
Q5 · MCQ · 1 mark
How many significant figures are there in the number 0.00500?
Q6 · FILL · 1 mark
The SI unit of magnetic field strength (H) is ____.
Q7 · FILL · 1 mark
The least count of a measuring instrument is the smallest measurement that can be made accurately with that ____.
Q8 · FILL · 1 mark
The process of checking the correctness of an equation using dimensions of physical quantities is called ____ analysis.
Q9 · SHORT · 2 marks
What is the principle of homogeneity of dimensions?
Q10 · SHORT · 2 marks
Differentiate between precision and accuracy in measurement.