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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?

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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