NECO SSCE - Physics - 2009 (Objective)

Ajụjụ 1 Ripọtì

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

\(\frac{w}{p}\) Azịza ziri ezi

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple Machines (JAMB)

Simple Machines

Lee Azịza

Ajụjụ 2 Ripọtì

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 Azịza ziri ezi

1.7s

2.0s

3.4s

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Motion

Lee Azịza

Ajụjụ 3 Ripọtì

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° Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Scalars And Vectors (JAMB)

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Scalars And Vectors

Equilibrium Of Forces

Lee Azịza

Ajụjụ 4 Ripọtì

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 Azịza ziri ezi

2.00s

3.14s

6.28s

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Lee Azịza

Ajụjụ 5 Ripọtì

Which of the following pairs of musical instruments produce sound due to the vibration of air column?

Bell and piano

Guitar and flute

Trumpet and drum

Trumpet and flute Azịza ziri ezi

Violin and organ

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

Gụọ akwụkwọ nkuzi na Sound Waves (WAEC)

Current Electricity

Sound Waves

Lee Azịza

Ajụjụ 6 Ripọtì

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 Azịza ziri ezi

112s

130s

168s

280s

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Energy (WAEC)

Heat Energy

Lee Azịza

Ajụjụ 7 Ripọtì

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

accelerate

be reluctant to move when at rest Azịza ziri ezi

experience friction when moving

move randomly

retard

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Newton’s Laws Of Motion (WAEC)

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Newton’s Laws Of Motion

Motion

Lee Azịza

Ajụjụ 8 Ripọtì

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

\(\frac{R}{4}\) Azịza ziri ezi

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

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

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

Akọwa Nkọwa

Lee Azịza

Ajụjụ 9 Ripọtì

A body accelerating will have a constant speed if it is

falling from a height

in equilibrium

moving in a circular path Azịza ziri ezi

moving in a straight line

oscillating

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Scalars And Vectors (WAEC)

Gụọ akwụkwọ nkuzi na Rectilinear Acceleration (WAEC)

Scalars And Vectors

Rectilinear Acceleration

Lee Azịza

Ajụjụ 10 Ripọtì

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

astigmatism

hypermetropia

myopia

presbyopia Azịza ziri ezi

spherical aberration

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Lee Azịza

Ajụjụ 11 Ripọtì

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

It has no definite shape

It is compressible

Its molecules are closely packed Azịza ziri ezi

Its molecules gain kinetic energy when heated

Its molecules move about randomly

Akọwa Nkọwa

Lee Azịza

Ajụjụ 12 Ripọtì

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 Azịza ziri ezi

2.5

12.5

100

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Newton’s Laws Of Motion (WAEC)

Newton’s Laws Of Motion

Lee Azịza

Ajụjụ 13 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Gravitational Field (JAMB)

Gravitational Field

Lee Azịza

Ajụjụ 14 Ripọtì

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 Azịza ziri ezi

20J

100J

1000J

2000J

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Energy (WAEC)

Gụọ akwụkwọ nkuzi na Work, Energy And Power (WAEC)

Energy

Work, Energy And Power

Lee Azịza

Ajụjụ 15 Ripọtì

Determine the value of x from the nuclear reaction below,

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

220

222 Azịza ziri ezi

224

226

228

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Lee Azịza

Ajụjụ 16 Ripọtì

The phenomenon of photoelectric effect is used in the following EXCEPT

automatic doors

bugler alarm

electric fire alarm

sound production from film tracks Azịza ziri ezi

television cameras

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structure Of The Atom (Nigeria Only) (WAEC)

Gụọ akwụkwọ nkuzi na Electromagnetic Field (Part 2) (WAEC)

Structure Of The Atom (Nigeria Only)

Electromagnetic Field (Part 2)

Lee Azịza

Ajụjụ 17 Ripọtì

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

x = 0, y = 1 and z = -1 Azịza ziri ezi

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Lee Azịza

Ajụjụ 18 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum (WAEC)

Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum

Lee Azịza

Ajụjụ 19 Ripọtì

Which of the following cells does not require a dipolar for effective and efficient delivery of current?

Daniel cell

Dry Leclanche cell

Nickel-iron accumulator Azịza ziri ezi

Voltaic cell

Wet Leclanche cell

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

Gụọ akwụkwọ nkuzi na Electric Cells (JAMB)

Current Electricity

Electric Cells

Lee Azịza

Ajụjụ 20 Ripọtì

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

amount of current passed

direction of the current Azịza ziri ezi

nature of the material used

orientation of the magnetic material in space

size of the magnetic material

Akọwa Nkọwa

Lee Azịza

Ajụjụ 21 Ripọtì

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 Azịza ziri ezi

q ÷ 4πe_o²d

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Electrostatics

Lee Azịza

Ajụjụ 22 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Description Property Of Fields (WAEC)

Gụọ akwụkwọ nkuzi na Sound Waves (WAEC)

Description Property Of Fields

Sound Waves

Lee Azịza

Ajụjụ 23 Ripọtì

In which of the following fields is repulsion NOT experienced?

Electrical only

Gravitational only Azịza ziri ezi

Magnetic only

Magnetic and electrical

Magnetic and gravitational

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electric Field (WAEC)

Gụọ akwụkwọ nkuzi na Gravitational Field (JAMB)

Electric Field

Gravitational Field

Lee Azịza

Ajụjụ 24 Ripọtì

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

condensation

conduction

convection Azịza ziri ezi

evaporation

radiation

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Transfer (JAMB)

Heat Transfer

Lee Azịza

Ajụjụ 25 Ripọtì

Which of the following phenomena is responsible for the spherical shape of soap bubbles?

Adhesion

Capillarity

Cohesion

Osmosis

Surface tension Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 26 Ripọtì

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° Azịza ziri ezi

29.5°

60.0°

63.4°

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Lee Azịza

Ajụjụ 27 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Energy (WAEC)

Heat Energy

Lee Azịza

Ajụjụ 28 Ripọtì

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

30°

45° Azịza ziri ezi

60°

75°

90°

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Scalars And Vectors (WAEC)

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Scalars And Vectors

Motion

Lee Azịza

Ajụjụ 29 Ripọtì

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 Azịza ziri ezi

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Pressure (JAMB)

Gụọ akwụkwọ nkuzi na Liquids At Rest (JAMB)

Pressure

Liquids At Rest

Lee Azịza

Ajụjụ 30 Ripọtì

The term torque means

the equilibrant of two concurrent forces

the moment of a force about an ads Azịza ziri ezi

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Scalars And Vectors (JAMB)

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Scalars And Vectors

Equilibrium Of Forces

Lee Azịza

Ajụjụ 31 Ripọtì

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 Azịza ziri ezi

Y is inverted while X is erect

Y is real while X is virtual.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple A.C. Circuits (WAEC)

Gụọ akwụkwọ nkuzi na Reflection Of Light At Plane And Curved Surfaces (JAMB)

Simple A.C. Circuits

Reflection Of Light At Plane And Curved Surfaces

Lee Azịza

Ajụjụ 32 Ripọtì

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

low boiling point Azịza ziri ezi

Low evaporating rate

high conductivity

high density

high viscosity

Akọwa Nkọwa

Lee Azịza

Ajụjụ 33 Ripọtì

A series RLC circuit is said to resonate, when

capacitive reactance is zero

conductance is maximum

current is minimum

impedance is minimum Azịza ziri ezi

inductive reactance is zero

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Capacitors (JAMB)

Gụọ akwụkwọ nkuzi na Scalars And Vectors (JAMB)

Gụọ akwụkwọ nkuzi na Properties Of Waves: Reflection, Refraction, Diffraction (WAEC)

Gụọ akwụkwọ nkuzi na Simple A.C Circuits (JAMB)

Gụọ akwụkwọ nkuzi na Introductory Electronics (JAMB)

Capacitors

Scalars And Vectors

Properties Of Waves: Reflection, Refraction, Diffraction

Simple A.C Circuits

Introductory Electronics

Lee Azịza

Ajụjụ 34 Ripọtì

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 Azịza ziri ezi

Water boils at a definite temperature

Water evaporates at all temperatures

Water has its maximum density at 4°C

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Change Of State (JAMB)

Change Of State

Lee Azịza

Ajụjụ 35 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Capacitors (JAMB)

Capacitors

Lee Azịza

Ajụjụ 36 Ripọtì

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

conical

cubical

cylindrical Azịza ziri ezi

parabolic

spherical

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Electrostatics

Lee Azịza

Ajụjụ 37 Ripọtì

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 Azịza ziri ezi

Interference and polarization

Reflection and photoelectric effect

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Wave-particle Paradox (WAEC)

Wave-particle Paradox

Lee Azịza

Ajụjụ 38 Ripọtì

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 Azịza ziri ezi

200.0Hz

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Elementary Modern Physics (JAMB)

Elementary Modern Physics

Lee Azịza

Ajụjụ 39 Ripọtì

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 Azịza ziri ezi

1914m

3828m

8700m

17400m

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Motion

Lee Azịza

Ajụjụ 40 Ripọtì

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 Azịza ziri ezi

100N

125N

225N

250N

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Newton’s Laws Of Motion (WAEC)

Gụọ akwụkwọ nkuzi na Work, Energy And Power (WAEC)

Newton’s Laws Of Motion

Work, Energy And Power

Lee Azịza

Ajụjụ 41 Ripọtì

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

38.8 Nm^-1

60.8 Nm^-1

190.0 Nm^-1

1900.0 Nm^-1 Azịza ziri ezi

3800.0 Nm^-1

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Elasticity (JAMB)

Elasticity

Lee Azịza

Ajụjụ 42 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Scalars And Vectors (JAMB)

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Scalars And Vectors

Motion

Lee Azịza

Ajụjụ 43 Ripọtì

Which of the following substances undergoes sublimation?

Ether

Ice

Iodine Azịza ziri ezi

Naphthalene

Turpentine

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Change Of State (JAMB)

Gụọ akwụkwọ nkuzi na Vapours (JAMB)

Change Of State

Vapours

Lee Azịza

Ajụjụ 44 Ripọtì

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 Azịza ziri ezi

25.60A

27.68A

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple A.C. Circuits (WAEC)

Gụọ akwụkwọ nkuzi na Elementary Modern Physics (JAMB)

Simple A.C. Circuits

Elementary Modern Physics

Lee Azịza

Ajụjụ 45 Ripọtì