OCR A Required Practicals

12 practicals - click any card to view full details, questions and mark schemes.

Mechanics

1AS

Determination of g by free fall (PAG 1)

Measure the acceleration due to gravity using a free-fall method with light gates or a ticker-tape t...

PAG 12 questions

Materials

2AS

Determination of the Young modulus (PAG 2)

Determine the Young modulus of a metal wire by loading it and measuring extension.

PAG 22 questions

Electricity

3AS

Determination of resistivity (PAG 3)

Find the resistivity of a wire by measuring resistance at different lengths.

PAG 32 questions

5AS

EMF and internal resistance (PAG 5)

Determine EMF and internal resistance from a terminal pd vs current graph.

PAG 52 questions

Waves

4AS

Determining wavelength using a diffraction grating (PAG 4)

Determine the wavelength of monochromatic light using a diffraction grating; also investigate Young'...

PAG 42 questions

12AS

Speed of sound using stationary waves (PAG 12)

Determine the speed of sound in air by finding two successive resonant lengths of a closed air colum...

PAG 122 questions

Oscillations

6A2

Simple harmonic motion (PAG 6)

Investigate SHM using a mass-spring system and a simple pendulum.

PAG 62 questions

Magnetic fields

7A2

Force on a current-carrying conductor (PAG 7)

Investigate how the force on a wire in a magnetic field varies with current and length.

PAG 72 questions

Thermal physics

8A2

Boyle's Law (PAG 8)

Verify that pressure and volume of a fixed mass of gas at constant temperature are inversely proport...

PAG 82 questions

Capacitance

9A2

Capacitor charge and discharge - time constant (PAG 9)

Measure the time constant of an RC circuit and verify the exponential nature of capacitor discharge.

PAG 92 questions

Nuclear and particle physics

10A2

Inverse square law for gamma radiation (PAG 10)

Verify the inverse square law for gamma radiation by measuring corrected count rate at different dis...

PAG 102 questions

Quantum physics

11A2

Planck's constant using LEDs (PAG 11)

Determine Planck's constant by measuring the threshold voltage of LEDs of known emission wavelength.

PAG 112 questions