Units and Measurements – Significant Figures, Errors in Measurement
Physics · Grade 11 · Week 3 · 25 questions
This Grade 11 physics unit on Units and Measurements develops your understanding of Significant Figures and Errors in Measurement. These concepts reappear throughout Grade 12 and in competitive exams like JEE and NEET.
What you'll practise
- Analyse Significant Figures
- Derive Errors in Measurement
- Apply units and measurements concepts to NCERT exercise and exemplar problems
All 25 questions in this Units and Measurements – Significant Figures, Errors in Measurement quiz
Grade 11 Physics — Units and Measurements – Significant Figures, Errors in Measurement: 25 practice questions with instant scoring and explanations.
- Significant figures in 0.0045:
- Significant figures in 25.30 cm:
- Absolute error:
- Result of 5.0 × 2.5:
- Relative error defined as:
- 45.6 g + 4.3 g:
- Sig figs in 6.02 × 10^23:
- Random errors in measurement can be best managed by:
- Systematic errors due to:
- Sig figs in 3.20 × 10^-4:
- Percentage error:
- Multiplying/dividing:
- Sig figs in 50 (not counted):
- Precision refers to:
- Accuracy refers to:
- Least count of ruler:
- 12.5 cm + 8.25 cm:
- Sig figs in 0.0050 L:
- Mean absolute error:
- Sig figs in 100.0:
- Parallax error:
- 0.00304 km sig figs:
- Rounding 8.765 to 3 sig figs:
- Scale uncertainty:
- Cannot reduce by averaging:
Question 1 of 250 correct so far