IBYear 13Physics · Free with answer key

Physics Worksheets – IB Year 13

Free IB Year 13 Physics practice worksheets with real exam-style questions and full answer keys. This set has 9 printable papers covering Circular Motion and Gravitation, Electric Fields, Magnetic Fields, Quantum Physics and 5 more. Work through them to build speed and accuracy, then check your answers against the key on each page. Stuck on any step? The Doubt Solver works out the full method for you.

Worksheets in this set

Sample problems MCQ

Real questions taken from the worksheets above, with answers from the published answer key.

Q1.For an object moving in a circle at constant speed, the centripetal force is directed

  1. (a) away from the centre
  2. (b) towards the centre
  3. (c) tangentially in the direction of motion
  4. (d) vertically upward

Answer: (b) towards the centre

From: Circular Motion and Gravitation

Q1.Two charges, 1 µC and 2 µC, are separated by 1 m. Using k = 9.0 × 10⁹ N m²/C², the force between them is

  1. (a) 0.018 N
  2. (b) 0.18 N
  3. (c) 1.8 N
  4. (d) 18 N

Answer: (a) 0.018 N

From: Electric Fields

Q1.A wire carries 2 A perpendicular to a magnetic field of 0.5 T. A length of 0.3 m of the wire is in the field. The force on it is

  1. (a) 0.3 N
  2. (b) 0.15 N
  3. (c) 3 N
  4. (d) 0.03 N

Answer: (a) 0.3 N

From: Magnetic Fields

Q1.A photon has a frequency of 6 × 10¹⁴ Hz. Using h = 6.63 × 10⁻³⁴ J·s, its energy is approximately

  1. (a) 4 × 10⁻¹⁹ J
  2. (b) 4 × 10⁻²⁰ J
  3. (c) 6.6 × 10⁻³⁴ J
  4. (d) 4 × 10⁻¹³ J

Answer: (a) 4 × 10⁻¹⁹ J

From: Quantum Physics

Q1.A radioactive sample decays from 80 g to 10 g in 6 hours. The half-life is

  1. (a) 1 h
  2. (b) 2 h
  3. (c) 3 h
  4. (d) 4 h

Answer: (b) 2 h

From: Nuclear Physics

Common mistakes to avoid

  • Using (E = mc^2) without checking whether mass is rest mass or relativistic mass in the context
  • Forgetting the sign of the gravitational potential energy when comparing orbits
  • Applying the photoelectric equation but mixing up work function and photon energy

Frequently asked questions

Are the IB Year 13 Physics worksheets free?

Yes - every Mohsim Digital Education worksheet is free to download with a full answer key.

How do I get a full step-by-step solution?

Run the question through the Doubt Solver on this site to get a clear worked solution instantly.

Do these match the IB DP syllabus?

The worksheets follow the topics and assessment style used in the IB Diploma physics course at Year 13.

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