Physics
JAMB 2002
Q4
✓ Answer: D
The hydrostatic blood pressure difference between the head and feet of a boy standing straight is 1.65 x 104 Nm-2. Find the height of the boy.
D
0.5m [Density of blood = 1.1 x 103 kgm-3, g = 10ms-2]
Physics
JAMB 2002
Q5
✓ Answer: A
If the total force acting on a particle is zero, the linear momentum will
Physics
JAMB 2002
Q6
✓ Answer: D
The effect of a particle in a fluid attaining its terminal velocity is that the
A
Buoyancy force is more than the weight of the fluid displaced
B
Buoyancy force is equal to the viscous retarding force
D
Weighting is equal to the retarding force.
Physics
JAMB 2002
Q7
✓ Answer: B
R Force 0.2N (N) Q 0.1N P E F 0.05m 0.10m Extension The diagram above shows the force-extension curve of a piece of wire. The energy stored when the wire is stretched from E to F is
Physics
JAMB 2002
Q8
✓ Answer: A
If the distance between two suspended masses 10kg each is tripled, the gravitational force of attraction between them is reduced by
Physics
JAMB 2002
Q10
✓ Answer: C
The diagram above shows the force (F) acting on an object through a distance (x). The work done on this object is expressed as
Physics
JAMB 2002
Q12
✓ Answer: C
Two forces each of 10N act on a body, one towards north and the other towards the east. The magnitude and the direction of the resultant force are
Physics
JAMB 2002
Q14
✓ Answer: B
Which of the following is a characteristic of stationary waves?
A
The distance between two successive nodes is one wavelength.
B
They are formed by two identical waves traveling in opposite directions.
C
The antinode is a point minimum displacement.
D
They can be transverse or longitudinal.
Physics
JAMB 2002
Q15
✓ Answer: D
Which of the following eye defects can be corrected using a cylindrical lens?
Physics
JAMB 2002
Q16
✓ Answer: D
The property that is propagated in traveling wave is
Physics
JAMB 2002
Q18
✓ Answer: A
If tension is maintained on a stretched string of length 0.6m, such that its fundamental frequency of 220 Hz is excited, determine the velocity of the transverse wave in the string.
Physics
JAMB 2002
Q19
✓ Answer: D
The radiator of a motor car is cooled by
A
Radiation and conduction
Physics
JAMB 2002
Q21
✓ Answer: A
Blowing air over a liquid aids evaporation by
A
Decreasing its vapour pressure
C
Increasing its surface area
D
Increasing its temperature
Physics
JAMB 2002
Q22
✓ Answer: A
The pressure of 3 moles of an ideal gas at a temperature of 270C having a volume of 10-3m3 is
D
2.49 x 105 Nm-2 [R = 8.3 J mol-1 K-1]
Physics
JAMB 2002
Q23
✓ Answer: A
To produce an enlarged and erect image with a concave mirror, the object must be positioned
A
Between the principal focus and the pole
B
Between the principal focus and the centre of curvature
C
Beyond the centre of curvature
D
At the principal focus. [PAGE 88]
Physics
JAMB 2002
Q24
✓ Answer: C
The colours seen in soap bubbles are due to
Physics
JAMB 2002
Q25
✓ Answer: A
The phenomenon that makes sound persist when its source has been removed is known as
Physics
JAMB 2002
Q26
✓ Answer: A
Vibrations in a stretched spring cannot be polarized because they are
Physics
JAMB 2002
Q27
✓ Answer: B
I. Temperature II Density of air molecules III Pressure IV Pitch Which of the above will affect the velocity of sound air?
Physics
JAMB 2002
Q28
✓ Answer: A
Water is poor thermometric liquid because it
Physics
JAMB 2002
Q29
✓ Answer: B
The time rate of loss of heat by a body is proportional to the
A
Temperature of its surroundings
B
Difference in temperature between the body and its surrounding
D
Ratio of the temperature of the body to that of its surrounding.
Physics
JAMB 2002
Q30
✓ Answer: C
An electric iron is rated 1 000 W, 230 V. What is the resistance of its element?
Physics
JAMB 2002
Q31
✓ Answer: C
The electric field between the two-point charges is shown in the diagram above. What types of charges are at X and Y?
A
Both X and Y are positive
B
X is positive and Y is negative
C
X is negative and Y is positive
D
Both X and Y are negative.
Physics
JAMB 2002
Q32
✓ Answer: A
The eye controls the mount of light reaching the retina by adjusting the
Physics
JAMB 2002
Q33
✓ Answer: C
An electric cell with nominal voltage E has a resistance of 3 Ohms connected across it. If the voltage falls to 0.6Volts, the internal resistance of the cell is
Physics
JAMB 2002
Q34
✓ Answer: A
When connected to a mains 250V, the fuse rating in the plug of an electric device of 1kW is
Physics
JAMB 2002
Q35
✓ Answer: D
The electromagnetic wave that can produce a heating effect on the environment is
Physics
JAMB 2002
Q36
✓ Answer: A
The energy stored in a capacitor of capacitance 10uF carrying a charge pf 100uC is
Physics
JAMB 2002
Q37
✓ Answer: D
From the diagram above, determine the value of the resistance X
Physics
JAMB 2002
Q39
✓ Answer: B
The particle that is responsible for nuclear fission in a nuclear reactor is
Physics
JAMB 2002
Q40
✓ Answer: C
At what frequency would a capacitor of 2.5uF used in a radio circuit have a reactance of 250Ohms?
Physics
JAMB 2002
Q41
✓ Answer: B
The percentage of the original nuclei of a sample of a radioactive substance left after 5 half-lives is
Physics
JAMB 2002
Q43
✓ Answer: A
1Na + X 20 9F + 4 2He What particle is X in the reaction above?
Physics
JAMB 2002
Q45
✓ Answer: B
Which of the following statements is true of the properties of a moving coil galvanometer?
A
It has a small number of turns of coil
B
There is a strong permanent magnet to give high magnetic flux
C
The coil ha a small area.
D
There are strong hair springs to give a large control couple
Physics
JAMB 2002
Q46
✓ Answer: B
Pure silicon can be converted to a p-type material by adding a controlled amount of
Physics
JAMB 2002
Q47
✓ Answer: A
From the generating station to each substation power is transmitted at a very high voltage so as to reduce
Physics
JAMB 2002
Q49
✓ Answer: A
The energy associated with the photon of a radio transmission at 3 x 105 Hz is
Physics
JAMB 2002
Q50
✓ Answer: D
The carbon-granule microphone works on the principle of change in
D
Resistance [PAGE 90] Physics 2003