2016 - JAMB Physics Past Questions and Answers - page 1
1
Myopic defects in the human eye can be corrected through the use of a
A
Concave Mirror
B
Concave lens
C
Prism
D
Convex lens
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2
A charged particle is moving in a uniform magnetic field. if the direction of motion of the charged particle is parallel to the magnetic field, the path of the charge will
A
Be a straight line
B
Curve inwards
C
Be a parabola
D
Curve outwards
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3
What happens to a water pool on a day when the humidity of the air is very low?
A
Temperature decreases
B
Slow evaporation
C
Temperature increases
D
Rapid evaporation
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4
A satellite moves in a circular orbit of radius 4R round the earth. The acceleration of the satellite in terms of g is
A
\(\frac{g}{16}\)
B
\(\frac{g}{4}\)
C
\(\frac{4}{g}\)
D
\(\frac{16}{g}\)
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5
I.Chemical II.Sound III.Electricity
Which of the above forms of energy can directly be converted to light energy?
Which of the above forms of energy can directly be converted to light energy?
A
I and II only
B
II and III only
C
I, II and III
D
I and III only
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6
If the distance between the object and the pinhole of a pinhole camera is reduced by half the size of the image of the object
A
Is quadrupled
B
Is halved
C
Remains the same
D
Is double
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7
An object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is
A
80cm
B
40cm
C
50cm
D
70cm
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8
Which of the following statements is correct about a machine?
A
Efficiency of a machine is always greater than I
B
Efficiency decreases with an increase in friction
C
Velocity ratio depends on friction
D
Mechanical advantage increases with an increase in friction
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9
The instrument used to view stars is the
A
Prism binoculars
B
Telescope
C
Film projector
D
Microscope
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10
What is the angular magnification of a telescope having objective and eyepiece lenses of a focal lengths 30cm and 3cm respectively?
A
60
B
10
C
30
D
90
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