Check WAEC GCE Physics Questions 2017 Repeated Questions
Check WAEC GCE Physics Questions 2017 Repeated Questions 2017
The West African Examinations Council (WAEC) is an examination board that conducts the West African Senior School Certificate Examination, for University and Jamb entry examination in West Africa countries. … In a year, over three million candidates registered for the exams coordinated by WAEC.
Check WAEC GCE Physics Questions 2017
(i) The position of the ion of the atm of the element in the
(ii) the nature of the electrode.
(iii) the concentration of the electrolyte
Doping of semiconductor increases the number of holes and electrons in
the semiconductor,thereby making it impure whch makes it to be useful
PLEASE USE THIS NO.11 IS MORE ACCURATE
-Number of turns in the coil
-Area of coil
Farad is a capacitor of a unit charge when
a unit of voltage drop is applied
The brightness of the bulb remains the
same since the same current will flow
a)The resistor should be connected in
parallel with the galvanometer
(i) Satelite is used in communication.
(i) Rockets are used for research of the planetary bodies.
(ii) They are also used in making adventures. They are used in launching
(5) Applications of permanent magnet:
(i) in telephone earpiece
(ii) in electrical bell
(iii) in generators
(iv) in electrical motors
(v) in induction coil systems
9 )Boyle’s law state that a law stating that the pressure of a given mass
of an ideal gas is inversely proportional to its
volume at a constant temperature.
9 bi) Renewable energy is energy generated from
natural resources—such as sunlight, wind, rain,
tides and geothermal.They are energy sources that can be replaced as
they are used.They are continually replenished
1. Require a medium.
2. Travel with a speed of 332 m/s at 0 C.
3. Are longitudinal waves consisting of
compressions and rarefactions.
1. Do not require a medium
2. Travel with a speed of 3 *10 8 m/s.
3. Are electromagnetic waves consisting of
varying electric and magnetic fields.
DRAW THE DIAGRAM
Nature=>It is a real image and inverted
Position=>It is at 2f on the other side
Size=>It has the same size of the object
Because the light ray travel on a straight line ie rectilinear propagation of
(12ai) Decay constant is defined as the instantaneous rate of decay per
unit atom of a substance.
Halflife ,T=0.693/decay contant. Hence, decay constant,llamda =0.693/T ;
=0.693/3days; =0.182day-1 i.e per day.
(12bi) the moderator of a nuclear fission reactor is made up of graphite.
Its function is that slow down the movement of a neutron,so that the
chain reaction will not dry out.
(12bii) the control rods is made of Boron steel.its function is to ensure
movement of the floor,so that it can shut off the reactor automatically in
case of electrical failure
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