PHYSYLBSF4
i.
Introduction to Waves
§ Explain the
concept of a wave
§ Explain the
terms wave length, frequency and velocity of a wave
§ Identify types
of waves
ii.
Behavior of Waves
§ Explain
Reflection, refraction, diffraction and interference of waves
§ Mention the
application of reflection, refraction, diffraction and interference of waves in
daily life
§ Demonstrate the
behavior of waves
iii.
Propagation of Waves
§ Describe the
propagation of mechanical waves
§ Explain the
propagation of electromagnetic waves
§ Determine the
relationship between frequency, speed and wavelength of a wave
§ Determine the
refractive index of a medium
iv.
Sound Waves
§ Identify source
of sound waves
§ Explain the
concept of audibility range
§ Describe the
perception of hearing
§ Explain the
concept of echo and reverberation
§ Determine the
speed of sound in air
v.
Musical Sound
§ Explain the
concept of a musical sound
§ Identify
factors affecting loudness, pitch and quality of a musical sound
§ Identify the
different musical instruments
§ Explain the
terms stationary wave, nodes and antinodes
§ Determine the
frequency of a musical note
§ Distinguish
between the fundamental note and overtones
§ Explain the
concept of resonance as applied to sound
§ Construct a
simple musical instrument
vi.
ElectroMagnetic Spectrum
§ Explain the
concept of the electroMagnetic spectrum
§ Identify the
main bands of the electromagnetic spectrum
§ Detect
infra-red, visible and ultra-violet rays
vii.
Application of ElectroMagnetic Wave in daily life
§ Identify the
application of microwaves, radio-Waves, Infra-red, gamma rays and x-rays
§ Explain the
importance of electromagnetic waves in agriculture and climate
i.
Magnetic Fields due to a Current-carrying Conductor
§ Explain how
electric current produces a magnetic field
§ Identify the
pattern of the magnetic field lines around a straight conductor
§ Determine the
direction of magnetic field around a current-carrying conductor
§ Determine the
presence and direction of a force on a current carrying Conductor in a magnetic
field
§ Determine the
direction of force due to two current '82air-carrying conductors when the
current flowing in the same or opposite direction
ii.
Electromagnetic Induction
§ Explain the
concept of electromagnetic induction
§ State the laws
of electromagnetic induction
§ Explain the
concepts of self and mutual induction
§ Describe the
mode of action of induction coil
§ Describe the
mode of action of a.c and d.c generator
§ Construct a
simple step-up and step-down transformer
i.
The Nucleus of an Atom
§ Describe the
structure of the nucleus of an atom
§ Explain the
atomic number, mass number and isotopes of an element and their symbols
§ Mention forces
holding the nucleus
ii.
Natural Radioactivity
§ Explain the
concept of radioactivity
§ Describe
properties of the radiations emitted by radio-active substances
§ Explain the
nuclear changes due to the emission of Alpha ('8c'b1), Beta ('8cuc0u8804 ) and
Gamma ('8cu8805 ) radiations
§ Explain the
detection of '8c'b1, '8cuc0u8804 and '8cu8805 radiations
§ Describe
half-life as applied to a radioactive substance
§ Determine the
half-life of a radioactive element
§ Identify the
applications of a natural radioactive Substances
iii.
Artificial Radioactivity
§ Distinguish
between natural and artificial radioactivity
§ Describe
methods of producing artificial radioactive isotopes
§ Mention the
applications of artificial radioactivity
iv.
Radiation Hazards and Safety
§ Explain the
effects of nuclear radiation on human body
§ Protect
himself/herself from nuclear radiation hazards
v.
Nuclear Fission and Fusion
§ Explain the
nuclear fission and fusion
§ Mention the
applications of nuclear fission and fusion
i.
Cathode Rays
§ Explain the
production of cathode rays
§ State the
properties of cathode rays
§ State the
application of cathode ray tube
ii.
X-Rays
§ Describe the
structure and mode of action of the x-ray tube
§ Distinguish
between soft and hard x-rays and their production
§ State the
properties of x-rays
§ Identify the
applications of x-rays in daily life
i.
Semiconductors
§ Explain the
concept of energy bands in solids
§ Distinguish
between conductors, semiconductors and insulators
§ Describe the
effect of temperature on the conductivity of conductors, semiconductors and
insulators
§ Identify types
of Semiconductors
§ Describe the
mechanism of doping intrinsic semiconductors
ii.
Diodes
§ Describe the
construction of P-N junction
§ Explain the
mode of action of a P-N junction
§ Identify the
types of diodes
§ Construct a
half-wave and full-Wave rectifier
iii.
Transistor
§ Describe the
construction of a PNP transistor
§ Explain the
mode of action of a PNP transistor
§ Identify the
types of transistors
§ Outline the
applications of transistors in daily life
iv.
Single Stage Amplifier
§ Explain the
concept of analogue signals
§ Explain the
concept of digital signal
§ Design a
single-stage amplifier
i.
Introduction to Astronomy
§ Explain the
concept of astronomy
§ Explain the
importance of astronomy in everyday life
ii.
Solar System
§ Distinguish
between a star and a planet
§ Explain the
force of gravitation which maintains celestial bodies in their Orbits
iii.
Constellations
§ Explain the
concept of constellation
§ Identify
constellation
§ Uses of
constellation in everyday life
iv.
The Earth and the Moon
§ Describe the
surface features and temperature of the moon
§ Explain the
causes of ocean tides
i.
Structure and Composition of the Earth
§ Describe the
structure of the earth
§ Describe the
composition of the layers of the earth
§ Explain the importance
of the layers of the earth
ii.
Earthquake and Volcanoes
§ Explain the
origin of volcanoes
§ Describe
effects of volcanoes
§ Explain the
origin of earthquake
§ Describe the
principle of measurement of earthquake
§ Identify
precaution against earthquake hazards
iii.
Structure and Composition of the Atmosphere
§ Describe the
vertical structure of the atmosphere
§ Describe the
composition of the atmosphere
§ Explain the
importance of various layers of the atmosphere
iv.
The Greenhouse Effect and Global Warming
§ Explain the
greenhouse effect
§ Identify
sources of greenhouse
§ Explain the
occurrence of global warming
§ State the
consequences of global warming
