02 December 2012

Module 2: Electricity

Pls download module 2: electricity HERE.

12 November 2012

Tips and Predictions Physics SPM 2012


SECTION A
1
Introduction to Physics
Micrometer screw gauge and zero error
2
Force and Motion
Impulsive force
Definition of a force.
Net force, Forces in equilibrium, F =ma
3
Forces and Pressure
Definition of pressure
Pressure, Pressure and depth, Calculation of pressure
4
Heat
Definition of specific heat capacity
Specific heat capacity and calculations
Gas laws
5
Force and Pressure
Floatation, Definition of buoyant force
Buoyant force and calculations.
Hot air balloons (compare small and big balloons) in terms of buoyant force.
6
Waves
Definition of interference
Interference of light, Young’s double slits experiment
Calculation of wavelength using  λ =  ax/D
Comparing the fringes using blue light band red light
7
Electricity
Definition of power and specifications
Calculation of I = P/V
Effective resistance, Resistor in parallel and series, calculation of electrical energy, and power.
Modifications of circuits and reasons to give smaller effective resistance ,R
8
Electronics
What is semiconductor..
Rectification circuits choose the correct one for full wave rectification and give reasons.
Transistor as a switch, relay, LDR, thermistor and Logic get circuit.
Most suitable circuit   for street light, certain function and give reasons.

SECTION B
9
Light
Focal length, power= 1/ f, lens equation,
How magnifying glass works?
How telescope works , ray diagrams
10
Radioactivity
Radioisotope, decay graph, half-life.
Use of radioisotope in industry to detect the volume of liquid in a container. Suggestions.

SECTION C
11
Force and Pressure
Fluid in motion : pressure and velocity of flow.
Bernoulli’s principle, lift force,
Explanation of lift force using aerofoil
Suggestions to make a water rocket that can reached high altitude.
12
Electromagnetism
Inductions + Lens and Faraday Law
Specifications of motor, explain how a motor works.
Calculation of transformer
Choosing a fan that can produce fast cooling effect or transformer
Choose the transformer that is of high efficiency .

PAPER 3
SECTION A
1
Light
Experiment to investigate relationship between u and v
or can also be refraction of light.
Read also the snell law : how to read a protractor to find angle of incident and refraction.
2
Graph of voltage across a dry cell against current to find e.m.f and internal resistance.
Calculation of gradient of graph.

SECTION B
3
Heat
Specific heat capacity
To investigate the relationship between mass, m and temperature rise at constant electrical energy supplied.
Using immersion heater and thermometer , etc.
4
Waves
Refraction
To investigate the relationship between wavelength and depth.
Using ripple tanks and accessories


See also…….
To investigate the relationship between the depth of liquid and pressure in liquid
To investigate the relationship between the depth of immersion and buoyant force.
To investigate the relationship between the mass of water and increases in temperature
To investigate the relationship between the pressure and volume of air (Boyl’e Law)
To investigate the relationship between the temperature and volume of air (Charles Law)
To investigate the relationship between the temperature and pressure of air (Pressure’s Law)
To investigate the relationship between the current and potential difference (Ohm’s Law)
To investigate the relationship between the length of wire and the resistance of the wire
To investigate the relationship between the cross sectional area of the wire and the resistance of the wire
To investigate the relationship between the temperature of the wire and the resistance of the wire
To investigate the relationship between the number of turns of coil and the induced current
To investigate the relationship between the speed of magnet and the induced current


*******Good Luck*******


Link to download

06 August 2012

Revision Chapter 5 Form 4 Light

U can download the exercises of 'Self Learning Module' by click the link below
1. 'Self Learning Module'
2. Marking Scheme

09 June 2012

Holiday Exercises Form 5 and Form 4 2012

Form 5 pls use link below to download the exercises.
http://www.ziddu.com/download/12793307/MODULE2.pdf.html

Form 4 pls use link below to download the exercises.
http://www.ziddu.com/download/12793305/MODULE_1.pdf.html

06 May 2012

04 January 2012

Module 1: Intro. to Physics (Chapter 1)

WELCOME TO ALL FORM 4 STUDENTS.
Pls. d/load the module for the 1st leasson.
1. Module
2. Exercises