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Experimental Programme

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Measurement and Uncertainty

Subtopic

Measurement and Uncertainty under Experimental Programme for Grade 12 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Two masses are measured as M1=250±5 gM_1 = 250 \pm 5 \text{ g} and M2=150±3 gM_2 = 150 \pm 3 \text{ g}. When these two masses are combined, what is the absolute uncertainty in the total mass?

    A.

    2 g2 \text{ g}

    B.

    4 g4 \text{ g}

    C.

    8 g8 \text{ g}

    D.

    15 g15 \text{ g}

  2. 2.

    Which of the following contains only SI base units?

    A.

    Kilogram, Ampere, Kelvin, Mole

    B.

    Joule, Newton, Second, Meter

    C.

    Celsius, Watt, Candela, Volt

    D.

    Ohm, Pascal, Kilogram, Second

  3. 3.

    A student measures the length of a copper wire as 15.2 cm±0.1 cm15.2 \text{ cm} \pm 0.1 \text{ cm}. What is the percentage uncertainty in this measurement?

    A.

    0.10%0.10\%

    B.

    0.66%0.66\%

    C.

    1.52%1.52\%

    D.

    6.60%6.60\%

Download the worksheet for Experimental Programme - Measurement and Uncertainty to practice offline. It includes additional chapter-level practice questions.

Tools and Techniques

Subtopic

Tools and Techniques under Experimental Programme for Grade 12 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is a derived SI unit in the International System of Units?

    A.

    Mole

    B.

    Kelvin

    C.

    Candela

    D.

    Newton

  2. 2.

    Based on the experimental workflow diagram provided, which category does a measurement fall into if it consistently overestimates the true value by a fixed amount?

    A.

    Systematic Error

    B.

    Random Error

    C.

    Human Calculation Error

    D.

    Precision Variance

  3. 3.

    A student measures the length of a rectangular metal plate as 12.42 cm12.42\text{ cm} and its width as 3.1 cm3.1\text{ cm}. Calculate the area of the plate and express the result to the correct number of significant figures.

    A.

    38.5 cm238.5\text{ cm}^2

    B.

    38.502 cm238.502\text{ cm}^2

    C.

    39 cm239\text{ cm}^2

    D.

    40 cm240\text{ cm}^2

Download the worksheet for Experimental Programme - Tools and Techniques to practice offline. It includes additional chapter-level practice questions.

Internal Assessment (Scientific Investigation)

Subtopic

Internal Assessment (Scientific Investigation) under Experimental Programme for Grade 12 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A set of experimental data points are grouped closely together but are consistently far from the accepted theoretical value. How would these measurements be described?

    A.

    Precise but not accurate

    B.

    Accurate but not precise

    C.

    Both accurate and precise

    D.

    Neither accurate nor precise

  2. 2.

    Which sequence correctly represents the general flow of a Physics Internal Assessment (Scientific Investigation)?

    A.

    Data Collection →\rightarrow Research Question →\rightarrow Conclusion →\rightarrow Analysis

    B.

    Research Question →\rightarrow Methodology →\rightarrow Data Collection →\rightarrow Analysis

    C.

    Conclusion →\rightarrow Data Collection →\rightarrow Research Question →\rightarrow Methodology

    D.

    Analysis →\rightarrow Research Question →\rightarrow Methodology →\rightarrow Data Collection

  3. 3.

    A student measures the mass of an object as 25.0±0.525.0 \pm 0.5 g. What is the percentage uncertainty in this measurement?

    A.

    0.5%0.5\%

    B.

    2.0%2.0\%

    C.

    5.0%5.0\%

    D.

    0.02%0.02\%

Download the worksheet for Experimental Programme - Internal Assessment (Scientific Investigation) to practice offline. It includes additional chapter-level practice questions.

Experimental Programme - Grade 12 Physics (IB) | Krit.club