Curriculum
Course: AS Physics 9702
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Curriculum

AS Physics 9702

1. Physical quantities and kinematics

0/41 Dr Dabour Hub Science Diagram and Course Material

2. Dynamics, forces and pressure

0/46 Dr Dabour Hub Science Diagram and Course Material

3. Work, energy, power and deformation

0/31 Dr Dabour Hub Science Diagram and Course Material

4. Waves and superposition

0/39 Dr Dabour Hub Science Diagram and Course Material

5. Electricity and D.C. circuits

0/49 Dr Dabour Hub Science Diagram and Course Material

7. Circular motion and gravitational fields (A Level)

0/25 Dr Dabour Hub Science Diagram and Course Material

8. Thermal physics (A Level)

0/37 Dr Dabour Hub Science Diagram and Course Material

10. Electric fields and capacitance (A Level)

0/36 Dr Dabour Hub Science Diagram and Course Material

11. Magnetic fields and alternating currents (A Level)

0/46 Dr Dabour Hub Science Diagram and Course Material

12. Quantum and nuclear physics (A Level)

0/44 Dr Dabour Hub Science Diagram and Course Material

13. Medical physics and astronomy (A Level)

0/42 Dr Dabour Hub Science Diagram and Course Material
Quiz

1.3.2 Calculating Uncertainties – Check yourself

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1.
A length is 50.0 ± 0.5 cm. Its percentage uncertainty is
0.5%
1%
2%
10%
2.
A radius is 4.0 ± 0.2 cm. The percentage uncertainty in the area πr2 is
5%
2.5%
10%
25%
3.
The length 20.0 ± 0.2 cm is subtracted from 30.0 ± 0.3 cm. The absolute uncertainty in the difference is
0.1 cm
0.3 cm
0.5 cm
0.2 cm
4.
A speed v = d / t, with d uncertain by 2% and t by 3%. The percentage uncertainty in v is
5%
1%
6%
1.5%
5.
A measured quantity Q = x3 and x has 1.5% uncertainty. Q has an uncertainty of
1.5%
3.0%
0.5%
4.5%
6.
The uncertainty in a gradient from a graph is best found from
the number of points
the difference between the best-fit and worst acceptable gradients
the units of the axes
the intercept alone
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