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Physics NECO SSCE 2005 Magnetism, Electromagnetism & AC Circuits
The angle between the geographic and the magnetic meridians at a place on the earth’s surface is the
A
angle of declination
B
angle of depression
C
angle of dip.
D
latitude of the place
E
longitude of the place
medium Difficulty
Physics NECO SSCE 2005 Current Electricity & Electric Circuits
A body moves along a circular path with uniform angular speed of 0.6 rad s-1 and at a constant speed of 3.0 ms-1. Calculate the acceleration of the body towards the centre of the circle.
A
0.2.ms-2
B
1.8 ms-2
C
5.0 ms-2
D
5.4 ms-2
E
25.0 ms-2
medium Difficulty
Physics NECO SSCE 2005 Newton's Laws, Momentum & Collisions
Which of the statements is/are true of two bodies involved in an inelastic collision? After collision. I. the kinetic energy increases II. The momentum decreases III. Their velocities are the same.
A
I only
B
II Only
C
III only
D
I and II only
E
II and III only
medium Difficulty
Physics NECO SSCE 2005 Current Electricity & Electric Circuits
491 K is equivalent to
A
273 °C
B
218 °C
C
373 °C
D
491 °C
E
764 °C
medium Difficulty
Physics NECO SSCE 2005 Atomic, Quantum, Nuclear Physics & Electronics
An atom radiates 1.5 × 10-19J when an electron jumps from one level to another. What is the wavelength of the emitted radiation? (Planck’s constant 6.6 × l0-34Js ; Speed of light in vacuum = 3.0 × 108ms-1)
A
1.32 × 10-6m
B
2.97 × 10-6m
C
3.30 × 10-6m
D
6.82 × 10-6m
E
8.01 × 10m-6
medium Difficulty
Physics NECO SSCE 2005 Units, Measurements & Dimensional Analysis
The following are derived units EXCEPT
A
kg m-3
B
N
C
Ns
D
m3
E
kg
medium Difficulty
Physics NECO SSCE 2005 Current Electricity & Electric Circuits
A 12V battery supplies a current of 0.4A to a lamp. Calculate the resistance of the lamp.
A
30.00
B
4.80
C
3.00
D
0.30
E
0.03
medium Difficulty
Physics NECO SSCE 2005 Temperature, Thermometry & Thermal Expansion
In which of the following is the expansion of solids a disadvantage?
A
Electric iron
B
Fire alarm
C
The balance wheel of a watch
D
The bimetallic thermometer
E
The fitting of wheels in rims
medium Difficulty
Physics NECO SSCE 2005 Current Electricity & Electric Circuits
Which of the following is a desirable property of a fuse Wire?
A
High expansively
B
High thermal conductivity
C
Low density
D
Low electrical resistivity
E
Low melting point
medium Difficulty
Physics NECO SSCE 2005 Linear Motion, Projectiles & Kinematics
A projectile is projected with an initial velocity u, at an angle \theta to the horizontal. The maximum height attained is.
A
U2 sin \(\frac{\theta}{g}\)
B
2U2 sin2 \(\frac{\theta}{g}\)
C
U sin2 \(\frac{\theta}{g}\)
D
U2 sin2\(\frac{\theta}{2g}\)
medium Difficulty
Physics NECO SSCE 2005 Linear Motion, Projectiles & Kinematics
A stone of mass 0.7 kg is projected vertically upward with a speed of 5 ms-1. Calculate the maximum height reached. [g =10ms-2]
A
1.25m
B
1.50m
C
2.50m
D
3.75m
E
5.00Nm
medium Difficulty
Physics NECO SSCE 2005 Magnetism, Electromagnetism & AC Circuits
Calculate the magnitude of the force due to a magnetic field of 0.40T on an electron moving perpendicular to the field with a speed of 4.00 × 106ms-1 (e 1.60 × 10-19C]
A
6.40 × -10
B
6.40× 10-13N
C
2.56 × 10-13N
D
1.60 × 10-12N
E
2.30 × 10-11N
medium Difficulty
Physics NECO SSCE 2005 Magnetism, Electromagnetism & AC Circuits
A voltage of 240V is connected to the primary coil of a transformer, the rating of the primary turns to the secondary turns if the voltage available at the secondary coil is 15V
A
0.06
B
0.9
C
1.6
D
16
E
36
medium Difficulty
Physics NECO SSCE 2005 Calorimetry, Latent Heat & Change of State
Two metals A and B lose the same quantity of heat when their temperatures drop from 20°C to 15°C. If the specific heat Capacity of A Ii thrice that of B, calculate the ratio of the mass of A to that of B.
A
3:01
B
4:03
C
3:04
D
1:02
E
1:03
medium Difficulty
Physics NECO SSCE 2005 Current Electricity & Electric Circuits
When a yellow card is viewed in blue light, It will appear
A
black
B
orange
C
purple
D
red
E
white
medium Difficulty
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