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Physics
UTME / JAMB 1986
Heat Energy & Temperature
Which of the following is in a neutral equilibrium?
A
a heavy weight suspended on a string
B
a cone resting on its slant edge
C
a heavy-based table lamp
D
the beam of a balance in use
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #28488)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Which of the following assumptions is made in a simple pendulum experiment? the
A
suspending string is inextensible
B
bob has a finite size
C
bob has a definite mass
D
initial angle of oscillation must be large
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #28490)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
The mode of heat transfer which does not require a material medium is
A
conduction
B
radiation
C
convection
D
propagation
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #28494)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Which of the following is common to evaporation and boiling? They
A
take place at any temperature
B
are surface phenomena
C
involve change of state
D
take place at a definite pressure
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #28497)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Which of the following properties makes metals ideal for cooking utensils?
A
high coefficient of expansion
B
good conduction of heat
C
low specific heat capacity
D
poor radiation of heat
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #28501)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Solution
If the refractive index of glass is 1.5, what is the critical angle at the air-glass interface?
A
sin-1\(\frac{1}{2}\)
B
sin-1\(\frac{2}{3}\)
C
sin-1\(\frac{3}{4}\)
D
sin-1\(\frac{8}{9}\)
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
sin ic \(\frac{1}{n}\) = \(\frac{1}{1 - 5}\)
i = sin-1\(\frac{1}{1 - 5}\)
= sin-1\(\frac{10}{15}\)
= sin-1\(\frac{2}{3}\)
Source: Myschool Past Questions Archive (Record #28525)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
What is the effect of the increase in the size of the hole of a pin-hole camera on the image? it
A
gives a blurred image
B
corrects for chromatic aberration
C
magnifies the image
D
brings the image into a sharper focus
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #28531)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Which of the following is stored by a dry Leclanche cell?
A
Electrical power
B
Kinetic energy
C
Electric current
D
Chemical energy
medium Difficulty
Verified Correct Answer: Option D
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #28541)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Solution
Which of the following is true of magnetism?
A
Iron fillings cling mainly round the ends of a bar magnet
B
The freely suspended bar magnet comes to rest in the geographic north-south direction
C
Like poles attract
D
Iodestone is a non-magnetic oxide
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
Iron filings cling mainly round the ends of a bar magnet
Source: Myschool Past Questions Archive (Record #28542)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
If the inclination at Ibadan is 7oS, this means that
A
the angle between the geographic meridian and the magnetic meridian at Ibadan is 7o
B
the earth's magnetic intensity at Ibadan makes angle 7o with the horizontal direction
C
a magnetic needle will be inclined at 7o to the vertical at Ibadan
D
the north pole of a magnetic needle dips downward at Ibadan
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #28545)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
fig 1 is a graph of force against extension for a spiral spring, the force constant of the spring is given by the
A
slope of the linear prtion of the graph
B
length of the linear portion of the graph
C
area under the linear portion of the graph
D
area under the entire graph
medium Difficulty
Verified Correct Answer: Option A
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Official Exam / Past Question Archive
Physics
UTME / JAMB 1986
Heat Energy & Temperature
When a box of mass 45kg, is given an initial speed of 5ms-1 it slides along a horizontal floor a distance of 3m before coming to a rest. what is the coefficient of kinetic friction between the box and the floor? (G = 10ms-2)
A
\( \frac{5}{6} \)
B
\( \frac{5}{12} \)
C
\( \frac{1}{3} \)
D
\( \frac{2}{3} \)
medium Difficulty
Verified Correct Answer: Option B
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41565)
Physics
UTME / JAMB 1986
Heat Energy & Temperature
Diagram
Solution
A uniform meter rule QR is balanced on a knife edge which is 55cm from R, when a mass of 10g is hung at P as shown above, the mass of the meter rule is
Attached Figure / Diagram
A
550g
B
350g
C
70g
D
35g
medium Difficulty
Verified Correct Answer: Option C
Physical Principles & Numerical Solution
Taking a moment about the support.
m(55 - 50) = 10(90 - 55)
5 m = 10 x 35
5 m = 350
m = \(\frac{350}{5}\) = 70g
Source: Myschool Past Questions Archive (Record #41657)
Physics
UTME / JAMB 1985
Heat Energy & Temperature
Which of the following is NOT a fundamental S.I unit?
A
Meter
B
Ampere
C
Kelvin
D
Seconds
E
Radian
medium Difficulty
Verified Correct Answer: Option E
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #28549)
Physics
UTME / JAMB 1985
Heat Energy & Temperature
Solution
A simple pendulum with a period of 2.0s has its length doubled. Its new period is
A
1.00s
B
1.41s
C
0.3s
D
2.83s
E
4.00s
medium Difficulty
Verified Correct Answer: Option D
Physical Principles & Numerical Solution
Using \(\frac{T_1}{T_2}\) = \(\sqrt\frac{L_1}{L_2}\)
\(\frac{2}{T_2}\) = \(\sqrt\frac{L_1}{2L_1}\)
T2 = 2.83sec
Source: Myschool Past Questions Archive (Record #28551)