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Physics UTME / JAMB 2019 Modern Physics and Nuclear Physics
The mass of a nucleus is the
A
total number of its proton & neutrons
B
number of its protons
C
mass of its electrons
D
total number of its protons & electrons
medium Difficulty
Physics UTME / JAMB 2019 Electricity and Magnetism
Three resistors with resistance 200\Omega, 500\Omega and 1k\Omega are connected in series. A 6v battery is connected to either end of the combination. Calculate the potential difference between the ends of 200\Omega resistance.
A
0.71V
B
0.7V
C
0.82V
D
0.8V
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
An a.c of 1A at a frequency of 800 cycles per second flows through a coil, the inductance of which is 2.5mH and the resistance of which is 5\Omega. What is the power absorbed in the Coil?
A
5W
B
6W
C
7W
D
8W
medium Difficulty
Physics UTME / JAMB 2019 Thermal Physics
In semi-conductor, the carriers of current at room temperature are
A
electrons only
B
electrons and holes
C
holes only
D
electron and ions
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm\(^{-3}\) and the density of kerosine is 0.80gcm\(^{-3}\). If the height of the water column is 20.0cm, calculate the height of the kerosine column.
A
1.6cm
B
16.0cm
C
20.0cm
D
25.0cm
medium Difficulty
Physics UTME / JAMB 2019 Waves and Optics
When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance between the girl & her image reduces at a speed of
A
2 m/s
B
4 m/s
C
8 m/s
D
12 m/s
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
One newton \times One meter equals?
A
One water
B
One Joule
C
One ampere
D
One kilogram
medium Difficulty
Physics UTME / JAMB 2019 Electricity and Magnetism
The Earth's magnetic equator passes through Jos in Nigeria. At Jos, the
A
angle of variation is zero
B
magnetic declination is 90
C
angle of dip is zero
D
horizontal component at the Earth's field is zero
medium Difficulty
Physics UTME / JAMB 2019 Waves and Optics
A car moving at 20m/s with its horn blowing (f = 1200Hz) is chasing another car going at 15m/s. What is the apparent frequency of the horn as heard by the driver being chased?
A
1.22KHz
B
2.40KHz
C
8.12KHz
D
1.22Hz
medium Difficulty
Physics UTME / JAMB 2019 Waves and Optics
Any line or section taken through an advancing wave in which all the particles are in the same phase is called the
A
wavelength
B
wave coast
C
wave trough
D
wave front
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most
A
A
B
B
C
C
D
E
medium Difficulty
Physics UTME / JAMB 2019 Heat Energy & Temperature
The point at which the molecules of a loaded wire begin to slide across each other resulting in a rapid increase in extension is
A
yield point
B
proportionality point
C
deformation point
D
elastic point
medium Difficulty
Physics UTME / JAMB 2019 Heat Energy & Temperature
A microscope is focused on a mark on a table, when the mark is covered by a plate of glass 2m thick, the microscope has to be raised 0.67cm for the mark to be once more in focus. Calculate the refractive index.
A
1.50
B
1.68
C
2.58
D
1.82
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
Radio waves belongs to the class of waves whose velocity is about
A
340m/s
B
3 × 10\(^{6}\) m/s
C
3 × 10\(^{8}\) m/s
D
3 × 10\(^{-8}\) m/s
medium Difficulty
Physics UTME / JAMB 2019 Mechanics and Properties of Matter
A single force which produces the same effect as a set of forces acting together at a point is known as the
A
component
B
equilibrant
C
resultant
D
resistant
medium Difficulty
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