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

8.1.1 The Principle of Superposition – Check yourself

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1.
Two waves arrive in antiphase with equal amplitude. The resultant amplitude is
twice one
the same as one
zero
half of one
2.
A path difference of 2.5λ between two coherent waves gives
constructive superposition
destructive superposition
no superposition
double frequency
3.
Two in-phase waves each carry intensity I. At a point where they overlap the intensity is
I
2I
4I
I/2
4.
A path difference of 0.30 m for a wavelength of 1.2 m is a phase difference of
30°
90°
180°
360°
5.
Which statement about superposition is correct?
Waves are destroyed on meeting
It applies to sound only
Displacements are added vectorially
It only works for equal frequencies
6.
Where energy seems to vanish at destructive interference, it actually
turns to heat at once
is redistributed to regions of constructive interference
is reflected back to the source
is stored in the medium
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