NECO SSCE - Physics - 2009 (Objective)

Ibeere 1 Ìròyìn

The phenomenon of photoelectric effect is used in the following EXCEPT

automatic doors

bugler alarm

electric fire alarm

sound production from film tracks Ìdáhùn tó tọ́

television cameras

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Structure Of The Atom (Nigeria Only) (WAEC)

Ka ìwé ẹ̀kọ́ nípa Electromagnetic Field (Part 2) (WAEC)

Structure Of The Atom (Nigeria Only)

Electromagnetic Field (Part 2)

Wo Idahun

Ibeere 2 Ìròyìn

Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg^-1 . Specific heat capacity of water 4.2Jg^-1 K^-1]

840J

3360J

3420J

4200J

7560J Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Energy (WAEC)

Heat Energy

Wo Idahun

Ibeere 3 Ìròyìn

The equation P^xV^yT^z = Constant is Charles’ law if

x = 0, y = 1 and z = -1 Ìdáhùn tó tọ́

x = 0, y = -1 and z = 1

x = 1, y = 1 and z = 0

x = 1, y = 1 and z = -1

x = 1, y = 1 and z = 1

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Wo Idahun

Ibeere 4 Ìròyìn

A projectile attains its maximum height when the angle of projection is

30°

45° Ìdáhùn tó tọ́

60°

75°

90°

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (WAEC)

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Scalars And Vectors

Motion

Wo Idahun

Ibeere 5 Ìròyìn

The space between the two walls of a vacuum flask is completely evacuated to reduce heat loss by

condensation

conduction

convection Ìdáhùn tó tọ́

evaporation

radiation

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Transfer (JAMB)

Heat Transfer

Wo Idahun

Ibeere 6 Ìròyìn

The defect of the eye lens which occurs as a result of weak ciliary muscles is called

astigmatism

hypermetropia

myopia

presbyopia Ìdáhùn tó tọ́

spherical aberration

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Wo Idahun

Ibeere 7 Ìròyìn

A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is (π 3.14).

0.05s

1.00s Ìdáhùn tó tọ́

2.00s

3.14s

6.28s

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Wo Idahun

Ibeere 8 Ìròyìn

The electric potential at a distance d from a point charge q in air of permittivity eo is expressed as?

q² ÷ 4πe_od

q² ÷ 4πe_o

q ÷ 4πe_od²

q ÷ 4πe_od Ìdáhùn tó tọ́

q ÷ 4πe_o²d

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Electrostatics

Wo Idahun

Ibeere 9 Ìròyìn

An object of mass 2kg moves for 5s with a uniform velocity of 10ms. What is the magnitude of its acceleration in ms^-2?

zero Ìdáhùn tó tọ́

2.5

12.5

100

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Newton’s Laws Of Motion (WAEC)

Newton’s Laws Of Motion

Wo Idahun

Ibeere 10 Ìròyìn

Which of the following statements about the pressure in a liquid is NOT correct? It

acts in all direction

changes with the material of the container Ìdáhùn tó tọ́

is the same at all points in the same horizontal plane

varies with the density of the liquid

varies with the depth of the liquid

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Pressure (JAMB)

Ka ìwé ẹ̀kọ́ nípa Liquids At Rest (JAMB)

Pressure

Liquids At Rest

Wo Idahun

Ibeere 11 Ìròyìn

In the electrical method of making a magnet, the polar the magnet formed depends on the

amount of current passed

direction of the current Ìdáhùn tó tọ́

nature of the material used

orientation of the magnetic material in space

size of the magnetic material

Awọn alaye Idahun

Wo Idahun

Ibeere 12 Ìròyìn

Inertia is the property of a body which makes the body to

accelerate

be reluctant to move when at rest Ìdáhùn tó tọ́

experience friction when moving

move randomly

retard

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Newton’s Laws Of Motion (WAEC)

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Newton’s Laws Of Motion

Motion

Wo Idahun

Ibeere 13 Ìròyìn

A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms^-2)

2J Ìdáhùn tó tọ́

20J

100J

1000J

2000J

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Energy (WAEC)

Ka ìwé ẹ̀kọ́ nípa Work, Energy And Power (WAEC)

Energy

Work, Energy And Power

Wo Idahun

Ibeere 14 Ìròyìn

Two images Y and X are formed by a plane mirror and a convex mirror respectively. Which of the following is correct about their characteristics?

Both are inverted

The magnification of Y is greater than one while that of X is one

The magnification of Y is one while that of X is less than one Ìdáhùn tó tọ́

Y is inverted while X is erect

Y is real while X is virtual.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple A.C. Circuits (WAEC)

Ka ìwé ẹ̀kọ́ nípa Reflection Of Light At Plane And Curved Surfaces (JAMB)

Simple A.C. Circuits

Reflection Of Light At Plane And Curved Surfaces

Wo Idahun

Ibeere 15 Ìròyìn

Calculate the work done in charging a capacitor of capacitance 20µF through a potential difference of 1000V.

0.02 J

0.10 J

0.20 J

1.00 J

10.00 J Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Capacitors (JAMB)

Capacitors

Wo Idahun

Ibeere 16 Ìròyìn

Which of the following substances undergoes sublimation?

Ether

Ice

Iodine Ìdáhùn tó tọ́

Naphthalene

Turpentine

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Change Of State (JAMB)

Ka ìwé ẹ̀kọ́ nípa Vapours (JAMB)

Change Of State

Vapours

Wo Idahun

Ibeere 17 Ìròyìn

Determine the value of x from the nuclear reaction below,

\(^{222}_{86}Rn\) → \(^{x}_{88}Ra\) + 2β + energy

220

222 Ìdáhùn tó tọ́

224

226

228

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Wo Idahun

Ibeere 18 Ìròyìn

When a resistor of resistance R is connected across a.c. the terminal p.d. of the cell is reduced to three-quart its e.m.f. The cell’s internal resistance in terms of R is

\(\frac{R}{4}\) Ìdáhùn tó tọ́

\(\frac{R}{3}\)

\(\frac{R}{2}\)

2\(\frac{R}{3}\)

Awọn alaye Idahun

Wo Idahun

Ibeere 19 Ìròyìn

In which of the following fields is repulsion NOT experienced?

Electrical only

Gravitational only Ìdáhùn tó tọ́

Magnetic only

Magnetic and electrical

Magnetic and gravitational

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electric Field (WAEC)

Ka ìwé ẹ̀kọ́ nípa Gravitational Field (JAMB)

Electric Field

Gravitational Field

Wo Idahun

Ibeere 20 Ìròyìn

Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane?

Random and rotational

Rotational and oscillatory

Rotational only

Translations only

Translational and rotational Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Scalars And Vectors

Motion

Wo Idahun

Ibeere 21 Ìròyìn

Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is

conical

cubical

cylindrical Ìdáhùn tó tọ́

parabolic

spherical

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Electrostatics

Wo Idahun

Ibeere 22 Ìròyìn

An observer heard the sound of thunder 5.8s after the lightning flash was seen. How far was he from the source? [Speed of sound in air = 330ms^-1]

957m Ìdáhùn tó tọ́

1914m

3828m

8700m

17400m

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Motion

Wo Idahun

Ibeere 23 Ìròyìn

A stone is thrown with a speed of 10ms at an angle of 30° to the horizontal, Calculate its time of flight, (g = 10ms²)

0.5s

1.0s Ìdáhùn tó tọ́

1.7s

2.0s

3.4s

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Motion

Wo Idahun

Ibeere 24 Ìròyìn

A body accelerating will have a constant speed if it is

falling from a height

in equilibrium

moving in a circular path Ìdáhùn tó tọ́

moving in a straight line

oscillating

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (WAEC)

Ka ìwé ẹ̀kọ́ nípa Rectilinear Acceleration (WAEC)

Scalars And Vectors

Rectilinear Acceleration

Wo Idahun

Ibeere 25 Ìròyìn

Arrange the following in the order of their increasing frequency.

I. Visible light
II. Gamma rays
III. Radio waves
IV. Infra-red radiation
V. Ultra-violet radiation

I, II, III, IV, V

II, III, IV, V, I

III, IV, V, I, II

IV, III, I. V, II

III, IV, I,V, II Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum (WAEC)

Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum

Wo Idahun

Ibeere 26 Ìròyìn

Which of the following statements is correct about volatile liquids? They have

low boiling point Ìdáhùn tó tọ́

Low evaporating rate

high conductivity

high density

high viscosity

Awọn alaye Idahun

Wo Idahun

Ibeere 27 Ìròyìn

A series RLC circuit is said to resonate, when

capacitive reactance is zero

conductance is maximum

current is minimum

impedance is minimum Ìdáhùn tó tọ́

inductive reactance is zero

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Capacitors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Properties Of Waves: Reflection, Refraction, Diffraction (WAEC)

Ka ìwé ẹ̀kọ́ nípa Simple A.C Circuits (JAMB)

Ka ìwé ẹ̀kọ́ nípa Introductory Electronics (JAMB)

Capacitors

Scalars And Vectors

Properties Of Waves: Reflection, Refraction, Diffraction

Simple A.C Circuits

Introductory Electronics

Wo Idahun

Ibeere 28 Ìròyìn

Two forces of magnitude 8N and 4N act at right angle to each other. The angle between the resultant and the 8N force is

23.9°

26.6° Ìdáhùn tó tọ́

29.5°

60.0°

63.4°

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Wo Idahun

Ibeere 29 Ìròyìn

A ball of mass 0.1kg moving with velocity of 20ms-1 is hit by a force which acts on it for 0.02s. If the ball moves off in the opposite direction with a velocity of 25ms-1 , calculate the magnitude of the force.

25N Ìdáhùn tó tọ́

100N

125N

225N

250N

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Newton’s Laws Of Motion (WAEC)

Ka ìwé ẹ̀kọ́ nípa Work, Energy And Power (WAEC)

Newton’s Laws Of Motion

Work, Energy And Power

Wo Idahun

Ibeere 30 Ìròyìn

The term torque means

the equilibrant of two concurrent forces

the moment of a force about an ads Ìdáhùn tó tọ́

the resultant of several forces acting on a body in equilibrium

two coplanar forces at right angle to each other

two equal and opposite forces whose lines of action do not coincide

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Scalars And Vectors

Equilibrium Of Forces

Wo Idahun

Ibeere 31 Ìròyìn

Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then

A and B are equal

A is greater than B

the angle between A and B is 0°

the angle between A and B is 90°

the angle between A and B is 180° Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Scalars And Vectors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Scalars And Vectors

Equilibrium Of Forces

Wo Idahun

Ibeere 32 Ìròyìn

An effort P applied at one end of a crowbar just overcomes the resistance W at the lid of a tin. The mechanical advantage of the crowbar is expressed as

W + P

P - W

\(\frac{w}{p}\) Ìdáhùn tó tọ́

\(\frac{p}{w}\)

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple Machines (JAMB)

Simple Machines

Wo Idahun

Ibeere 33 Ìròyìn

Which of the following statements about a gas is NOT correct?

It has no definite shape

It is compressible

Its molecules are closely packed Ìdáhùn tó tọ́

Its molecules gain kinetic energy when heated

Its molecules move about randomly

Awọn alaye Idahun

Wo Idahun

Ibeere 34 Ìròyìn

Which of the following pairs of phenomena helps in the resolution of the wave-particle paradox of matter?

Compton effect and thermionic emission

Electron diffraction and refraction

emission and absorption of light Ìdáhùn tó tọ́

Interference and polarization

Reflection and photoelectric effect

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Wave-particle Paradox (WAEC)

Wave-particle Paradox

Wo Idahun

Ibeere 35 Ìròyìn

An immersion heater is rated 1500W. How long does it take the heater to raise the temperature of 1 kg of water by 30°C? (Assume heat lost to the surrounding is negligible, Specific heat capacity of water 4200Jkg^-1K^-1)

84s Ìdáhùn tó tọ́

112s

130s

168s

280s

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Energy (WAEC)

Heat Energy

Wo Idahun

Ibeere 36 Ìròyìn

A plane progressive wave is represented by the equation y = 0.2sin (200πt - 0.5.x) where x and y are measured in cm and t in s. What is the frequency of the wave?

0.5Hz

4.0Hz

10.0Hz

100.0Hz Ìdáhùn tó tọ́

200.0Hz

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Elementary Modern Physics (JAMB)

Elementary Modern Physics

Wo Idahun

Ibeere 37 Ìròyìn

Which of the following statements is correct about light and sound waves? Both

are longitudinal waves

are transverse waves

have the same velocity in air

need a medium for propagation

transmit energy Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Description Property Of Fields (WAEC)

Ka ìwé ẹ̀kọ́ nípa Sound Waves (WAEC)

Description Property Of Fields

Sound Waves

Wo Idahun

Ibeere 38 Ìròyìn

Which of the following statements about water is NOT correct?

Pure water freezes at 0°C under normal pressure

The volume of a given mass of water at 0° is less than its volume at 4°C Ìdáhùn tó tọ́

Water boils at a definite temperature

Water evaporates at all temperatures

Water has its maximum density at 4°C

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Change Of State (JAMB)

Change Of State

Wo Idahun

Ibeere 39 Ìròyìn

A transformer has an efficiency of 92.5%. the ratio number of turns in the primary coil to that in the secondary coil is 128 : 45. If the current passing through the secondary coil is 9.0A, calculate the current passing through the primary-coil.

2.93A

3.16A

3.42A Ìdáhùn tó tọ́

25.60A

27.68A

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple A.C. Circuits (WAEC)

Ka ìwé ẹ̀kọ́ nípa Elementary Modern Physics (JAMB)

Simple A.C. Circuits

Elementary Modern Physics

Wo Idahun

Ibeere 40 Ìròyìn

The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth?

1.92N

2.88N

6.72N

8.00N

12.00N Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Gravitational Field (JAMB)

Gravitational Field

Wo Idahun

Ibeere 41 Ìròyìn

The work done in extending a spring by 40 mm is 1.52J. Calculate the elastic constant of the spring.

38.8 Nm^-1