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Physics NECO SSCE 2009 Current Electricity & Electric Circuits
Which of the following cells does not require a dipolar for effective and efficient delivery of current?
A
Daniel cell
B
Dry Leclanche cell
C
Nickel-iron accumulator
D
Voltaic cell
E
Wet Leclanche cell
medium Difficulty
Physics NECO SSCE 2009 Current Electricity & Electric Circuits
Which of the following statements about water is NOT correct?
A
Pure water freezes at 0°C under normal pressure
B
The volume of a given mass of water at 0° is less than its volume at 4°C
C
Water boils at a definite temperature
D
Water evaporates at all temperatures
E
Water has its maximum density at 4°C
medium Difficulty
Physics NECO SSCE 2009 Current Electricity & Electric Circuits
A body accelerating will have a constant speed if it is
A
falling from a height
B
in equilibrium
C
moving in a circular path
D
moving in a straight line
E
oscillating
medium Difficulty
Physics NECO SSCE 2009 Current Electricity & Electric Circuits
A sound wave from a ship is received 8.4s later. What is the depth of the sea? [Speed of sound in water 1500ms-1]
A
0.179km
B
0.357km
C
3.150km
D
6.300km
E
12.600km
medium Difficulty
Physics NECO SSCE 2009 Work, Energy, Power & Simple Machines
Which of the following statements about a gas is NOT correct?
A
It has no definite shape
B
It is compressible
C
Its molecules are closely packed
D
Its molecules gain kinetic energy when heated
E
Its molecules move about randomly
medium Difficulty
Physics NECO SSCE 2009 Circular Motion, Gravitation & Simple Harmonic Motion
A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is (π 3.14).
A
0.05s
B
1.00s
C
2.00s
D
3.14s
E
6.28s
medium Difficulty
Physics NECO SSCE 2009 Waves, Sound & Vibrations
Which of the following statements is correct about light and sound waves? Both
A
are longitudinal waves
B
are transverse waves
C
have the same velocity in air
D
need a medium for propagation
E
transmit energy
medium Difficulty
Physics NECO SSCE 2009 Current Electricity & Electric Circuits
Which of the following pairs of musical instruments produce sound due to the vibration of air column?
A
Bell and piano
B
Guitar and flute
C
Trumpet and drum
D
Trumpet and flute
E
Violin and organ
medium Difficulty
Physics NECO SSCE 2009 Calorimetry, Latent Heat & Change of State
Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg-1 . Specific heat capacity of water 4.2Jg-1 K-1]
A
840J
B
3360J
C
3420J
D
4200J
E
7560J
medium Difficulty
Physics NECO SSCE 2009 Work, Energy, Power & Simple Machines
An effort P applied at one end of a crowbar just overcomes the resistance W at the lid of a tin. The mechanical advantage of the crowbar is expressed as
A
W + P
B
P - W
C
\(\frac{w}{p}\)
D
\(\frac{p}{w}\)
E
wp
medium Difficulty
Physics NECO SSCE 2009 Atomic, Quantum, Nuclear Physics & Electronics
The phenomenon of photoelectric effect is used in the following EXCEPT
A
automatic doors
B
bugler alarm
C
electric fire alarm
D
sound production from film tracks
E
television cameras
medium Difficulty
Physics NECO SSCE 2009 Electrostatics & Capacitors
Calculate the work done in charging a capacitor of capacitance 20µF through a potential difference of 1000V.
A
0.02 J
B
0.10 J
C
0.20 J
D
1.00 J
E
10.00 J
medium Difficulty
Physics NECO SSCE 2009 Gas Laws & Heat Transfer
Arrange the following in the order of their increasing frequency. I. Visible light II. Gamma rays III. Radio waves IV. Infra-red radiation V. Ultra-violet radiation
A
I, II, III, IV, V
B
II, III, IV, V, I
C
III, IV, V, I, II
D
IV, III, I. V, II
E
III, IV, I,V, II
medium Difficulty
Physics NECO SSCE 2009 Current Electricity & Electric Circuits
Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then
A
A and B are equal
B
A is greater than B
C
the angle between A and B is 0°
D
the angle between A and B is 90°
E
the angle between A and B is 180°
medium Difficulty
Physics NECO SSCE 2009 Circular Motion, Gravitation & Simple Harmonic Motion
The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth?
A
1.92N
B
2.88N
C
6.72N
D
8.00N
E
12.00N
medium Difficulty
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