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

22.4.3 Calculating Discrete Energies – Check yourself

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1.
The energy gap between two levels is 3.0 eV. What is the photon frequency? (h = 6.63 × 10−34 J s, 1 eV = 1.60 × 10−19 J)
4.5 × 1014 Hz
4.8 × 10−19 Hz
2.1 × 10−15 Hz
7.2 × 1014 Hz
2.
Using hc = 1240 eV nm, the wavelength of a 2.48 eV photon is
1000 nm
500 nm
250 nm
3075 nm
3.
A transition emits photons of 2.0 eV and another of 3.0 eV in sequence. The single transition between the outer two levels would produce a photon of energy
1.0 eV
2.5 eV
5.0 eV
6.0 eV
4.
How many emission lines are possible between four energy levels?
6
4
3
12
5.
An electron with 7.0 eV excites an atom by 4.9 eV in a collision. Its energy afterwards is
0
2.1 eV
4.9 eV
11.9 eV
6.
Photon A has twice the wavelength of photon B. Photon A has
four times the energy of B
twice the energy of B
the same energy as B
half the energy of B
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