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CBT physics JAMB 2016

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19
Created on By bola

Physics

CBT physics JAMB 2016

1 / 50

Category: Physics

1 Myopic defects in the human eye can be
corrected through the use of a

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Category: Physics

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

3 / 50

Category: Physics

3 What happens to a water pool on a day when the
humidity of the air is very low?

4 / 50

Category: Physics

4 A satellite moves in a circular orbit of radius 4R
round the earth. The acceleration of the satellite in
terms of g is

5 / 50

Category: Physics

5 I.Chemical II.Sound III.Electricity
Which of the above forms of energy can directly be
converted to light energy?

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Category: Physics

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

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Category: Physics

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

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Category: Physics

8 Which of the following statements is correct
about a machine?

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Category: Physics

9 The instrument used to view stars is the

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Category: Physics

10 What is the angular magnification of a telescope
having objective and eyepiece lenses of a focal
lengths 30cm and 3cm respectively?

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Category: Physics

11 A wire of length 10m is cooled from 50 o C to
10 o C. Calculate the decrease in the length of the
wire. [c = 3 x 10^-5 K^-1 ]

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Category: Physics

12 When an athlete perspires after running, he loses
heat through

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Category: Physics

13 The rate of cooling of a heated quantity of liquid
in an enclosure depends on the

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Category: Physics

14 The heat required to raise a mass of a substance
through 1K is known as

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Category: Physics

15 A boy in a barber’s shop sits between two
parallel mirrors. The number of images observed by
him will be

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Category: Physics

16 Semiconductor is a class of solid whose
conductivity increases with an increase in

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Category: Physics

17 Which of the following statements is NOT
correct?

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Category: Physics

18 A dynamo primarily converts

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Category: Physics

19 A saturated vapour pressure of a liquid increases
when the

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Category: Physics

20 What force has to be exerted on a mass 60kg to
give it an acceleration of 10ms^-2 vertically upwards?
[g = 10ms^-2

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Category: Physics

21 A metre rule is pivoted at its mid-point with a
vertical force of 10N hanging from the distance 30cm
from the mid-point. At what distance must a 15N
force hang to balance the ruler horizontally?

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Category: Physics

22 A projectile is fired from the ground level with a
velocity of 300ms^-1 at an angle of a 30degrees to the
horizontal.
Calculate the time taken to reach the maximum
height?
[g = 10ms^-2 ]

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Category: Physics

23 A train with an initial velocity of 20ms^-1 is
subjected to a uniform deceleration of 2ms^-2 . The
time required to bring the train to a complete halt is

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Category: Physics

24 Which of the following electromagnetic waves
has the shortest wavelength?

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Category: Physics

25 A radioactive isotope has a decay constant of 10-^6 s^-1 .
Calculate its half – life?

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Category: Physics

26 Which of the following waves is both transverse
and mechanical?

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Category: Physics

27 Calculate the temperature of 6 moles of an ideal
gas at a pressure of 7.6 x 10^6 Nm^-2 with a volume of
10^-3 m^3 .
[R = 8.3jmol^-1 K^-1 ]

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Category: Physics

28 The relative density of a liquid is the ratio of the

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Category: Physics

29 What will happen to the pressure of a gas if its
temperature is reduced to -273 degree C?

30 / 50

Category: Physics

30 Which of the following does Not use magnetic
effect of current to function?

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Category: Physics

31 Vapour is said to be saturated on top of an
enclosed liquid if _________

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Category: Physics

32 A pool of water appears to be 1.00m deep when
viewed vertically from above. What is the actual
depth of the pool?
[Refractive index of water = 1.33]

33 / 50

Category: Physics

33 Shadows and eclipse result from the

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Category: Physics

34 Which of the following is obtained when a
magenta is mixed with green colour?

35 / 50

Category: Physics

35 Which of the following instruments can be used
to measure current in an a.c circuit?

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Category: Physics

36 Which of the following statements about wave
motion is correct?

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Category: Physics

37 A satellite revolving around the earth is kept on
its orbit by

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Category: Physics

38 A manometer is an instrument used for
measuring

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Category: Physics

39 A body which weighs 50N in air displaces 3.7kg
of water when partially immersed in water. Calculate
the upthrust on the body?

40 / 50

Category: Physics

40 The impulse of a force is deduced from Newton’s
second law as

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Category: Physics

41 Boiling occurs when the vapour pressure of a
liquid is

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Category: Physics

42 If the magnification of a virtual image formed by
an object 10cm from a convex less is 3, then the focal
length of the lens is

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Category: Physics

43 An electron in a hydrogen atom makes a
transition from the ground level to the third level. If
the energy at the ground level, calculate the energy at
the third level.
[h = 6.6 x 10^-34 Js; f = 10^15 Hz]

44 / 50

Category: Physics

In the diagram above, which of the following
velocity-time graphs shows uniform acceleration of a
body from rest?

45 / 50

Category: Physics

45. In the diagram above, the neutral point is at

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Category: Physics

46. From the diagram above, the measuring accuracy of
the micrometer screw gauge is

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Category: Physics

47. In the diagram above, the direction of the force
between N and S in the magnetic field is

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Category: Physics

48 Which of the following statements is Not true
about atoms?

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Category: Physics

49 The frequency of beats produced when two
tunning forks of frequencies 258Hz and 270Hz are
sounded close to each other

50 / 50

Category: Physics

50 Calculate the inductance of a coil of resistance
30 connected to a 100V a.c source if the coil draws
an r.m.s current of 2A

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John Aina has a Masters degree as an engineer and has over 3 years of teaching and research experience. John is happiest when he is on a bike and is also interested in Solar technology.
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