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Physics

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

Forces and Motion (Kinematics and Newton's Laws)

Subtopic

Forces and Motion (Kinematics and Newton's Laws) under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A person pushes against a wall with a force of 50 N50\text{ N}. What is the magnitude of the force the wall exerts back on the person?

    A.

    0 N0\text{ N}

    B.

    25 N25\text{ N}

    C.

    50 N50\text{ N}

    D.

    100 N100\text{ N}

  2. 2.

    Force is a vector quantity because it has both:

    A.

    Mass and acceleration

    B.

    Magnitude and direction

    C.

    Speed and time

    D.

    Weight and gravity

  3. 3.

    Which of the following increases the braking distance of a car?

    A.

    Dry road conditions

    B.

    New brakes

    C.

    Icy road conditions

    D.

    Lower speed

Download the worksheet for Physics - Forces and Motion (Kinematics and Newton's Laws) to practice offline. It includes additional chapter-level practice questions.

Energy, Work, and Power

Subtopic

Energy, Work, and Power under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is a unit of work?

    A.

    Newton (NN)

    B.

    Watt (WW)

    C.

    Newton-meter (NmN\cdot m)

    D.

    Joule per second (J/sJ/s)

  2. 2.

    What is the relationship between power, work, and time?

    A.

    P=W×tP = W \times t

    B.

    P=W/tP = W / t

    C.

    P=t/WP = t / W

    D.

    P=W+tP = W + t

  3. 3.

    If you push a wall with a force of 100 N100\text{ N} for 10 minutes10\text{ minutes} and the wall does not move, how much work have you done?

    A.

    1000 J1000\text{ J}

    B.

    10 J10\text{ J}

    C.

    0 J0\text{ J}

    D.

    100 J100\text{ J}

Download the worksheet for Physics - Energy, Work, and Power to practice offline. It includes additional chapter-level practice questions.

Thermal Physics (Specific Heat and Phase Changes)

Subtopic

Thermal Physics (Specific Heat and Phase Changes) under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The temperature of a substance is a measure of the:

    A.

    Total energy of all particles

    B.

    Average potential energy of the particles

    C.

    Average kinetic energy of the particles

    D.

    Total mass of the particles

  2. 2.

    If an object absorbs 500 J500\text{ J} of heat and its temperature does not change, it is likely undergoing a:

    A.

    Expansion

    B.

    Phase change

    C.

    Chemical reaction

    D.

    Pressure increase

  3. 3.

    In the formula Q=mLQ = mL, what does 'LL' stand for?

    A.

    Length

    B.

    Latent heat

    C.

    Liquid volume

    D.

    Loss of energy

Download the worksheet for Physics - Thermal Physics (Specific Heat and Phase Changes) to practice offline. It includes additional chapter-level practice questions.

Waves (Light, Sound, and Electromagnetic Spectrum)

Subtopic

Waves (Light, Sound, and Electromagnetic Spectrum) under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    How is wave speed calculated?

    A.

    v=f×λv = f \times \lambda

    B.

    v=f/λv = f / \lambda

    C.

    v=λ/fv = \lambda / f

    D.

    v=f+λv = f + \lambda

  2. 2.

    Which electromagnetic radiation is used to cook food in a kitchen appliance?

    A.

    X-rays

    B.

    Microwaves

    C.

    Radio waves

    D.

    Gamma rays

  3. 3.

    What is the name for the high-pressure regions in a longitudinal wave?

    A.

    Rarefactions

    B.

    Crests

    C.

    Troughs

    D.

    Compressions

Download the worksheet for Physics - Waves (Light, Sound, and Electromagnetic Spectrum) to practice offline. It includes additional chapter-level practice questions.

Electricity and Magnetism (Circuits and Induction)

Subtopic

Electricity and Magnetism (Circuits and Induction) under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What does a voltmeter measure when connected across a component?

    A.

    The rate of flow of charge

    B.

    The electrical potential difference

    C.

    The total energy used

    D.

    The resistance of the wire

  2. 2.

    Which of the following is true for resistors in parallel?

    A.

    The total resistance is the sum of individual resistances

    B.

    The current through each resistor is always the same

    C.

    The total resistance is less than the smallest individual resistance

    D.

    The voltage across each resistor is different

  3. 3.

    What is the function of a switch in a circuit?

    A.

    To increase the current

    B.

    To change the resistance

    C.

    To open or close the circuit

    D.

    To protect against short circuits

Download the worksheet for Physics - Electricity and Magnetism (Circuits and Induction) to practice offline. It includes additional chapter-level practice questions.

Atomic and Nuclear Physics (Radioactivity and Half-life)

Subtopic

Atomic and Nuclear Physics (Radioactivity and Half-life) under Physics for Grade 10 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If the count rate of a sample drops from 600 counts per minute600\text{ counts per minute} to 75 counts per minute75\text{ counts per minute} in 12 hours12\text{ hours}, what is the half-life?

    A.

    3 hours3\text{ hours}

    B.

    4 hours4\text{ hours}

    C.

    6 hours6\text{ hours}

    D.

    12 hours12\text{ hours}

  2. 2.

    Which particle has the smallest mass?

    A.

    Proton

    B.

    Neutron

    C.

    Alpha particle

    D.

    Electron

  3. 3.

    Why is radioactive waste often stored in lead-lined containers?

    A.

    To keep the waste warm

    B.

    To prevent radiation from escaping into the environment

    C.

    To make the containers easier to carry

    D.

    To speed up the decay process

Download the worksheet for Physics - Atomic and Nuclear Physics (Radioactivity and Half-life) to practice offline. It includes additional chapter-level practice questions.

Physics - IB Grade 10 Science Notes & Revision | Krit.club