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Physics UTME / JAMB 2015 Waves and Optics
Primary colours of light are
A
Red, blue and green
B
Cyan, magneta and yellow
C
Black, blue and green
D
None of these colours
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
Electrons were discovered by
A
James Chadwick B.
B
J.J Thompson
C
Sir Isaac Newton
D
Charles Newton
medium Difficulty
Physics UTME / JAMB 2015 Mechanics and Properties of Matter
What is the relationship mechanical advantage (MA) velocity Ratio (V.R) and efficiency with percentage?
A
e = M.A/V.R × 100 %
B
M.A = E.V.R
C
V.R = 1 ÷ sin θ M.A
D
M.A = 1/E × 100%
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
The external parts of an object can be measure accurately through the use of which scientific instrument?
A
Micrometer screw gauge
B
Vernier Caliper
C
Meter rule
D
None of the instrument
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
Convert 45°C to kelvin
A
318K
B
250K
C
184K
D
120K
medium Difficulty
Physics UTME / JAMB 2015 Mechanics and Properties of Matter
A member of the crew of a SPACESHIP experiences weightlessness in a space when they
A
Fall freely from the earth’s gravitational field
B
Is walking on the planet
C
In between the sun and the earth
D
Holding anything in space is negative
medium Difficulty
Physics UTME / JAMB 2015 Mechanics and Properties of Matter
Radio waves belong to the class of wave whose velocity is about
A
34m/s
B
3 ×106m/s
C
3 ×108m/s
D
3 × 10-8m/s
medium Difficulty
Physics UTME / JAMB 2015 Waves and Optics
The compressed regions and the space-out regions in longitude wave are refers to as
A
Compression and Rarefaction
B
Comparison and Explosion
C
Reflection only
D
Refraction only
medium Difficulty
Physics UTME / JAMB 2015 Mechanics and Properties of Matter
At what respective value of a, b, and c would the unit of work, the joule, be dimensionally similar to Ma Lb Tc?
A
1, – 2, 1
B
1, 2, – 2
C
1, 1, –2
D
2, 2, 1
medium Difficulty
Physics UTME / JAMB 2015 Electricity and Magnetism
The device in which one circuit controls another, especially if the current in the second circuit is large or dangerous is known as
A
Electromagnetic devices
B
Magnetic relay device
C
None at all
D
Sextant
medium Difficulty
Physics UTME / JAMB 2015 Thermal Physics
Heat transfer in the surrounding without a material medium is possible through?
A
Conduction
B
Convection
C
Radiation
D
Expansion
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
Quantities of heat Q can be measured using a container called
A
Thermometer
B
Measuring cylinder
C
Calorimeter
D
Meter rule
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
Lodestone is a natural magnet, it points at
A
N – W when suspended freely
B
N–S when suspended freely
C
S – E when suspended freely
D
S–W when suspended freely
medium Difficulty
Physics UTME / JAMB 2015 Thermal Physics
What type of electromagnetic radiation can be used to take photographs in the haze?
A
Radio waves
B
infrared rays
C
Visible light
D
Gamma rays
medium Difficulty
Physics UTME / JAMB 2015 Heat Energy & Temperature
If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/s2)
A
2 sec
B
3 sec
C
4sec
D
3.2sec
medium Difficulty
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