Physics Haven & MathSnack 

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Last Minute Reminder:

MECHANICS

1. Measurement

(a) Remember the following prefix
- Tera, T, 10^12
- Giga, G, 10^9
- Mega, M, 10^6
- kilo, k, 10^3
- milli, m, 10^-3
- micro, m,10^-6
- nano, n, 10^-9
- pico, p, 10^-12

(b) Reading of vernier calipers and micrometer screw gauge (including positive and negative zero error)

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2. Kinematics

(a) Apply this equation when velocity is constant:
v=s/t

(b) Apply these equations when acceleration is constant:
a=(v-u)/t
v=u+at
s=ut+1/2at2
v2=u2+2as

(c) Must be able to draw and interpret data given in the following graphs:
s-t graph
v-t graph
a-t graph
(See Question 1, 2 & 3 of ‘O’ Level Physics Revision - Mechanics.doc)

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3. Scalars & Vectors

(a) Define scalar and vector quantity and state an example of each

(b) Solving questions using Parallelogram method and Tip-Tail method
(See Question 15, 17, 18 & 19 of ‘O’ Level Physics Revision - Mechanics.doc)

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4. Dynamics

(a) State Newton's 1st Law of Motion and inertia

(b) Draw free-body force diagram
(See Question 10 of ‘O’ Level Physics Revision - Mechanics.doc)

(c) Apply F=ma & W=mg
(See Question 11 & 12 of ‘O’ Level Physics Revision - Mechanics.doc)

(d) State Newton's 3rd Law of Motion

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5. Mass & Density

(a) Apply p=m/V
(See Question 21 & 22 of ‘O’ Level Physics Revision - Mechanics.doc)

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6. Work, Energy & Power

(a) Apply W=Fs, EP=mgh. EK=1/2mv2, P=W/t=E/t=Fv
(See Question 26 & 27 of ‘O’ Level Physics Revision - Mechanics.doc)

(b) Define Principle of Conservation of Energy

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7. Turning Effects of Forces

(a) Define Principle of Moments

(b) Solve questions involving only 1 pivot, 2 pivots and at an angle
(See Question 30 & 31 of ‘O’ Level Physics Revision - Mechanics.doc)

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8. Pressure

(a) Apply P=F/A, P=hpg and solve questions involving barometer and manometer
(See Question 37 & 38 of ‘O’ Level Physics Revision - Mechanics.doc)

(b) Using moment and pressure to solve questions involving hydraulic system
(See Question 39 of ‘O’ Level Physics Revision - Mechanics.doc)

(c) (See Question 40 of ‘O’ Level Physics Revision - Mechanics.doc)

 

THERMAL PHYSICS

9. Kinetic Theory

(a) (See Question 3, 4 & 6 of ‘O’ Level Physics Revision - Thermal.doc)

(b) Apply P1V1=P2V2
(See Question 7 of ‘O’ Level Physics Revision - Thermal.doc)

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10. Temperature

(a) (See Question 13, 14 & 15 of ‘O’ Level Physics Revision - Thermal.doc)

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11. Transfer of Thermal Energy

(a) Explain conduction, convection and radiation
(See Question 10 & 12 of ‘O’ Level Physics Revision - Thermal.doc)

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12. Thermal Properties

(a) Apply Q=Pt, Q=mcT, Q=CT, Q=mlf & Q=mlv
(See Question 16, 17 & 20 of ‘O’ Level Physics Revision - Thermal.doc)

 

 OPTICS & WAVES

13. Reflection of Light

(a) Draw ray diagrams
(See Question 11 of ‘O’ Level Physics Revision - Waves & Optics.doc)

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14. Refraction of Light

(a) Draw ray diagrams
(See Question 14 of ‘O’ Level Physics Revision - Waves & Optics.doc)

(b) Apply n=sin i/sin r, n=v1/v2, n=real depth/apparent depth to find the refractive index of the medium
(See Question 14 & 16 of ‘O’ Level Physics Revision - Waves & Optics.doc)

(c) Apply n=1/sin c to find the critical angle
(See Question 17 of ‘O’ Level Physics Revision - Waves & Optics.doc)

(d) Define critical angle and total internal reflection

(e) State the two conditions for total internal reflection to occur

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15. Lenses

(a) Apply 1/f=1/u+1/v and m=hi/ho=v/u

(b) Draw ray diagrams
(See Question 20 of ‘O’ Level Physics Revision - Waves & Optics.doc)

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16. General Waves Properties

(a) Define Transverse Waves and Longitudinal Waves

(b) (See Question 1 & 3 of ‘O’ Level Physics Revision - Waves & Optics.doc)

(c) Draw diagrams for refraction of water waves
(See Question 4 of ‘O’ Level Physics Revision - Waves & Optics.doc)

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17. Sound

(a) Apply direct method, v=s/t and echo method, v=2d/t
(See Question 6 & 8 of ‘O’ Level Physics Revision - Waves & Optics.doc)

(b) Draw diagrams for refraction of sound waves
(See Question 10 of ‘O’ Level Physics Revision - Waves & Optics.doc)

 

ELECTRICITY & MAGNETISM

18. Electrostatics

(a) (See Question 3 & 4 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

(b) Draw electric field patterns
(See Question 5 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

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19. Current Electricity & D.C. Circuits

(a) Apply V=IR
(See Question 7, 8 & 9 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

(b) Define Ohm's Law

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20. Practical Electricity

(a) Apply P=IV, P=I2R & P=V2/R

(b) Calculate operational cost of appliance
(See Question 12 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

(c) Connect wires in household
(See Question 13 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

(d) Describe the use of fuse and earth wire

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21. Electromagnetism

(a) Describe the working principle of relay and loudspeaker
(See Question 14 &15 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

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22. Electromagnetic Induction

(a) (See Question 18 & 19 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

(b) Apply Ns/Np=Vs/Vp, Eff=Ps/PpX100%
(See Question 20 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)

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23. Circuit Components & Cathode Ray Oscilloscope

(a) Must know light dependent resistor and thermistor (include symbol)

(b) (See Question 24 & 25 of ‘O’ Level Physics Revision - Electricity & Magnetism.doc)