Question Library

Browse, filter, and study verified past examination questions with step-by-step mathematical reasoning.

Launch Interactive Practice
Searching 18,000+ Questions... Sifting topics, KaTeX formulas & verified solutions
Showing 136–150 of 334 verified questions
Sort by:
Physics UTME / JAMB 2006 Thermal Physics
The thermos flask is designed to?
A
prevent heat loss or gain by conduction, convection and radiation
B
store hot tea or water
C
prevent heat gain by conduction, convection and radiation
D
prevent heat lost by conduction, convention and radiation
medium Difficulty
Physics UTME / JAMB 2006 Thermal Physics
what is likely to happen if the glass of a thermometer expands more upon heating than the liquid inside?
A
the glass will break
B
the glass will shrink
C
the liquid will rise up in the stem
D
the liquid will go down in the stem
medium Difficulty
Physics UTME / JAMB 2006 Thermal Physics
One of the properties of gamma rays is that they are?
A
neutral
B
massive
C
positively charged
D
negatively charged
medium Difficulty
Physics WAEC / WASSCE 2006 Thermal Physics
How long will it take to heat 3kg of water from 28oC to 88oC in an electric kettle taking 6a from a 220V supply? [specific heat capacity of water = 4180 J kg-1K-1]
A
120s
B
570s
C
600s
D
836s
medium Difficulty
Physics WAEC / WASSCE 2006 Thermal Physics
The temperature of a liquid falls after some of it has evaporated because
A
the liquid left is smaller in volume and the breeae easily cools it
B
the more energetic molecules have escaped into the atmosphere
C
the liquid left has less latent heat
D
after evaporation impurites are left behind
medium Difficulty
Physics WAEC / WASSCE 2006 Thermal Physics
An atom \(^{234}_{91} P\) emits a gamma radiation. The resultant nuclide is
A
\(^{230}_{90} Th\)
B
\(^{234}_{91} Pa\)
C
\(^{234}_{90} Th\)
D
\(^{234}_{89} Ac\)
medium Difficulty
Physics UTME / JAMB 2005 Thermal Physics
When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicates that
A
it is about to rain
B
the relative humidity is high
C
there is plenty of sunshine
D
the relative humidity is low
medium Difficulty
Physics UTME / JAMB 2005 Thermal Physics
When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because?
A
of the even expansion of glass
B
glass is a crystal
C
glass is a good conductor of heat
D
of the uneven expansion of glass
medium Difficulty
Physics UTME / JAMB 2005 Thermal Physics
106J of heat is required to boil off completely 2kg of a certain liquid. Neglecting heat lost to the surroundings, the latent heat of vaporization of the liquid is
A
2.0 x 106J kg-1
B
5.0 x 106J kg-1
C
2.0 x 105J kg-1
D
5.0 x 105J kg-1
medium Difficulty
Physics WAEC / WASSCE 2005 Thermal Physics
The lower and upper fixed point of a thermometer are 30mm and 180mm respectively. Calculate the temperature in degrees Celsius when the thermometer reads 45mm
A
10.0oC
B
15.0oC
C
20.0oC
D
30.0oC
medium Difficulty
Physics WAEC / WASSCE 2005 Thermal Physics
A body of mass m, has a specific heat capacity s, and a heat capacity c. If the temperature of the body changes by \(\theta^oC\), Which of the following equation is correct?
A
ms\(\theta\) = mv-1
B
ms = C
C
ms = s\(\theta\)
D
ms = c\(\theta\)
medium Difficulty
Physics WAEC / WASSCE 2005 Thermal Physics
An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5oC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]
A
1100Jkg-1K-1
B
320Jkg-1K-1
C
200Jkg-1K-1
D
176Jkg-1K-1
medium Difficulty
Physics NECO SSCE 2005 Thermal Physics
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 Thermal Physics
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 Thermal Physics
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
Page 10 of 23