9702/42 · May/June 2025
A Level Structured Questions · 100 marks · 10 questions
- Question 110 marks
The radian, then angular speed, period and angle for bicycle wheels and cogs.
- Question 212 marks
Gravitational and magnetic field lines and how the fields vary around the Earth.
- Question 313 marks
Specific heat capacity, internal energy and the first law for a heated aluminium block.
- Question 48 marks
Ideal gas equation, mean kinetic energy of a molecule and r.m.s. speed against temperature.
- Question 59 marks
Simple harmonic motion: period and amplitude from a velocity equation, and a v–x sketch.
- Question 611 marks
Electric field between plates, accelerating an electron, then the minimum X-ray wavelength.
- Question 710 marks
Capacitor discharge through a resistor: capacitance, resistance and time constant.
- Question 810 marks
Half-wave rectification, peak and mean power, and r.m.s. output voltage.
- Question 98 marks
Photoelectric effect: stopping voltage against frequency explained with photons.
- Question 109 marks
Spontaneous decay, half-life and activity of two isotopes, and detector count rate.