cameroon gce A level 2024 engineering science 1
cameroon gce A level 2024 engineering science 1
Which pair of units contain only S.l base units?
A Newton, ohm
Coulomb, metre
C Ampere , mole
D Seconds, volts
7.
B
2. The correct unit and the corresponding
dimension for angular velocity is
dimension Which of the following compound is a saturated
hydrocarbon?
A 2 methyl hexane
B benzene
C 2 methyl propene
D 2 methyl propyne
unit
A ms”1
8.
T“1
B rads“1
C ms“1
D rads”1
T–i
IT–1
LT” 1
A PH of 2 means that when the substance is
dissolved in water,
A It generates more hydrogen ions
B It generates more hydroxide ions.
C It turns red litmus paper to blue
D It has a pink colour in phenopthalein
J.
If photons of light of frequency, f, have
momentum, p, photons of light of frequency,2f,
will have a momentum of;
9.
A P
2
B P
The nuclide Pb emits an electron and
becomes nuclide X. The mass number and
atomic number of nuclide X are respectively
A 210 and 80
B 213 and 83
C 214 and 83
D 214 and 81
4.
C 2P
D V2p
Petroleum fractions are separated in a refinery
due to differences in their;
A Viscosity
B Heat capacities
C Boiling points
D Densities
10.
The direction of induced emf in a coil is such as
to oppose the change causing it. This is a
statement of
A Ampere’s law
B Joule’s law
C Faraday’s law
D Lenz’s law
5.
Uranium –235 disintegrates when bombarded b\
a neutron according to the equation
dn + 2925 U –> ‘i!Ba + j K r + 2>
The values of a and b are respectively
A 93 and 36
B 93 and 57
C 36 and 93
D 57 and 93
1 1
A proton travelling at 20 m/s enters a uniform
magnetic field at 30° to the field lines. Given
that the flux density of the field 0.4 T, the force
experienced by the proton in N is
( e = 1 . 6 x 1 0“19C)
A 6.4 xlO 19
B 1 x I 019
C 3.2 xlO’18
D 6.3 x 10
6.
The toughness of a material is a measure of;
A Its opposition to crack growth
B How difficult it is to scratch it’s surface
C Minimum stress required to break the
material
D Ability to be drawn out into wires on this
sheet