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2 weeks
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Momentum
·
qualitative
and quantitative statements of definition of momentum, centre of mass and
impulse
·
Newton's
Third Law of Motion
·
Conservation
of momentum in one dimension and two dimensions
·
Formulae:
(a) momentum
p = mv
(b) total momentum = total mass x velocity of centre
of mass
(c)
Impulse = Ft
(d) Ft = mv - mu
·
vector nature
of momentum
·
analyse
experimentally obtained data
involving two dimensional collisions
·
analyse
modern day technology in designing
equipment (high jump bags, bumper bars etc.) in terms of momentum for
drawing vector diagrams on experimentally obtained data sheets
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Experiments
· Conservation
of Momentum –
Internal force
· Conservation
of Momentum in two dimensions
Manipulative Skills
· Set up &
manipulate apparatus to investigate collision situations.
· Arrange
collisions of two metal spheres and record their motion on carbon paper
vertically below position of impact.
|
Text - Chapter 8
Videos
· Collisions
· Momentum – A
Crash Course
· Conservation
of Momentum
(Mech Uni 2)
Other Texts
· Physics:
Principles and Problems
ch 7
· Elements of
Modern Physics
Book 2 Unit 5 ch
2
· FOSP Book 1
· Gardiner Set
5
· Walters ch
17
· Essentials
of Physics ch 9
· Physics for
a Modern World
ch 9
Diagnostic
Aid No. 9
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4 weeks
|
Energy, Work and Power
·
the terms -
work, power, energy (kinetic, mechanical potential, elastic potential),
spring constant
·
the Joule as
a unit of energy
·
the watt as a
unit of power
·
forms of
energy and interconversion of energy
·
conservation
of energy in closed systems
·
elastic and
inelastic collisions
·
the following
formulae:
(a) W= FsCosq
(b) KE = ½mv5
(c) PE = mgh
(d) PE = Fs
(e) F =
-kx
(f)
elastic PE = ½kx5
(g) power
= W/t
·
distinguish between elastic and inelastic
·
analyse force-displacement graphs in term of work and energy
·
calculate spring constant form experimentally obtained
graphs
·
identify and analyse modern day technology (high jump
bags, bumper bars etc.) in terms of energy considerations
|
Experiments
· Conservation
of Energy on an incline plane
Manipulative Skills
· Measure
extensions of a spring by suspension of added masses
|
Text - Chapter 9
Videos
· Work = Force
x Distance
· Conservation
of Energy
(Mech Uni )
Other Texts
· Essentials
of Physics ch 10
· Physics for
a Modern World ch 8
Diagnostic
Aid No. 10, 11
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2 weeks
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Wave Motion
· the meaning of the following
terms: speed of wave, frequency, wavelength amplitude, period, pulse, node,
anti-node, standing wave, phase.
· transverse and longitudinal
waves.
· wave characteristics in water,
along springs
·
the
relationships
(a) v = f l
(b) T = 1/f
· boundary conditions for
reflections and transmission of waves in springs.
· superposition of waves and
interference
· reflection and refraction of
waves
·
the meaning
of the terms;
(a) direction of
propagation.
(b) angle of
incidence.
(c) angle of
reflection.
(d) angle of refraction.
·
diffraction
of waves through a slit and around a barrier
·
wave motion
as a means of energy transfer.
·
predict
direction of reflected and/or refracted wave from given incident wave from
wave patterns in water and in springs.
·
diagrammatically show the wave
pattern produced by interfering waves
·
identify nodal and anti-nodal
lines on a interference pattern
·
analyse relevant graphs
(a)
displacement v time
(b) distance v time
associated with wave motion
·
investigate standing waves
patterns in springs
·
draw diagrams to show reflection
of waves in water form straight and curves boundaries
·
infer the interference pattern
of water waves form two sources in phase
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Experiments
·
Wave Properties in springs
·
Waves in a Ripple Tank
Manipulative Skills
· Use slinky
springs of different dimensions to investigate wave motion
· Use a ripple
tank to observe reflection and refraction and diffraction for water waves.
|
Text - Chapters 13,14
Videos
· Waves and
Sound
· Properties
of Waves (non-light)
· Waves in the
Ocean
· Introduction
of Waves
(Mech Uni 4 )
Other Texts
· Physics:
Principles and Problems ch 15
· Elements of
Modern Physics
Book 1 Unit 3
· Ingram Part
II ch 3,5
· FOSP Book 2
ch 4
· Gardiner Set 22
· Walters ch
13
· Physics for
a Modern World ch 11
Diagnostic
Aid No. 15
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3 weeks
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Wave Nature of Light
· meaning of the following terms:
interference, diffraction path difference, nodal lines, reinforcement,
coherence, phase, monochromatic.
·
Young's
double slit interference
·
Single slit
diffraction
·
diffraction
grating
·
interference
with thin films interference
with wedge shaped
films
·
intensity
patterns of interference patterns
·
the following
formulae:
(a)
for points on
a maxima
d sinq = dx/L = nl
(b) for points on a
minima
d sin q= dx/L =
(n-½)l
(c) for single slit
nl = xw/L for
nodals
·
the
Electromagnetic Spectrum
·
Polarisation
·
analyse data
obtained form path differences interference pattern from coherent sources
·
deduce the
wavelength of red light form data obtained form observating the interference
pattern using single and double slits
|
Experiments
Interferences of light waves
Manipulative Skills
· successfully
observe interference and diffraction patterns by using single and double
slits
|
Text – Chapter 15
Videos
· Interference
of Light Waves
· Polarisation
of Light
Other Texts
· Physics:
Principles and Problems ch 19
· Elements of
Modern Physics
Book 1 Unit 3 ch 3,4
· Ingram Part
II ch 5
· FOSP Book 2
ch 5
· Gardiner Set 30
· Walters ch
12
· Physics for
a Modern World
ch 17
Diagnostic
Aid No. 17, 20
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1 week
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Reflection
· diffuse and regular reflection.
· laws of specular reflection
· reflection in mirrors
(plane, concave,
convex)
· reflection through lenses
(concave, convex)
·
the following
formulae:
(a)
gi = gr
(b) 
(c) 
·
parameters associated with mirrors and lens
(a) object distance
(b) image distances
(c) focal length
(d) principal focus
(e) principal axis
(f) magnification
(g) centre of curvature
·
ray diagrams
·
common optical devices
·
identify the use of lenses and
mirrors in everyday life
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