NECO SSCE - Physics - 2009 (Objective)

Tambaya 1 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Description Property Of Fields (WAEC)

Karanta bayanin darasi akan Sound Waves (WAEC)

Description Property Of Fields

Sound Waves

Duba Amsa

Tambaya 2 Rahoto

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 Amsar da ta dace

3800.0 Nm^-1

Bayanin Amsa

Karanta bayanin darasi akan Elasticity (JAMB)

Elasticity

Duba Amsa

Tambaya 3 Rahoto

A sound wave from a ship is received 8.4s later. What is the depth of the sea? [Speed of sound in water 1500ms^-1]

0.179km

0.357km

3.150km

6.300km Amsar da ta dace

12.600km

Bayanin Amsa

Karanta bayanin darasi akan Current Electricity (JAMB)

Current Electricity

Duba Amsa

Tambaya 4 Rahoto

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 Amsar da ta dace

2.5

12.5

100

Bayanin Amsa

Karanta bayanin darasi akan Newton’s Laws Of Motion (WAEC)

Newton’s Laws Of Motion

Duba Amsa

Tambaya 5 Rahoto

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

astigmatism

hypermetropia

myopia

presbyopia Amsar da ta dace

spherical aberration

Bayanin Amsa

Karanta bayanin darasi akan Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Duba Amsa

Tambaya 6 Rahoto

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 Amsar da ta dace

200.0Hz

Bayanin Amsa

Karanta bayanin darasi akan Elementary Modern Physics (JAMB)

Elementary Modern Physics

Duba Amsa

Tambaya 7 Rahoto

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 Amsar da ta dace

Violin and organ

Bayanin Amsa

Karanta bayanin darasi akan Current Electricity (JAMB)

Karanta bayanin darasi akan Sound Waves (WAEC)

Current Electricity

Sound Waves

Duba Amsa

Tambaya 8 Rahoto

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

conical

cubical

cylindrical Amsar da ta dace

parabolic

spherical

Bayanin Amsa

Karanta bayanin darasi akan Electrostatics (JAMB)

Electrostatics

Duba Amsa

Tambaya 9 Rahoto

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 Amsar da ta dace

20J

100J

1000J

2000J

Bayanin Amsa

Karanta bayanin darasi akan Energy (WAEC)

Karanta bayanin darasi akan Work, Energy And Power (WAEC)

Energy

Work, Energy And Power

Duba Amsa

Tambaya 10 Rahoto

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 Amsar da ta dace

Y is inverted while X is erect

Y is real while X is virtual.

Bayanin Amsa

Karanta bayanin darasi akan Simple A.C. Circuits (WAEC)

Karanta bayanin darasi akan Reflection Of Light At Plane And Curved Surfaces (JAMB)

Simple A.C. Circuits

Reflection Of Light At Plane And Curved Surfaces

Duba Amsa

Tambaya 11 Rahoto

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 Amsar da ta dace

Interference and polarization

Reflection and photoelectric effect

Bayanin Amsa

Karanta bayanin darasi akan Wave-particle Paradox (WAEC)

Wave-particle Paradox

Duba Amsa

Tambaya 12 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (JAMB)

Karanta bayanin darasi akan Motion (JAMB)

Scalars And Vectors

Motion

Duba Amsa

Tambaya 13 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Heat Energy (WAEC)

Heat Energy

Duba Amsa

Tambaya 14 Rahoto

A body accelerating will have a constant speed if it is

falling from a height

in equilibrium

moving in a circular path Amsar da ta dace

moving in a straight line

oscillating

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (WAEC)

Karanta bayanin darasi akan Rectilinear Acceleration (WAEC)

Scalars And Vectors

Rectilinear Acceleration

Duba Amsa

Tambaya 15 Rahoto

A series RLC circuit is said to resonate, when

capacitive reactance is zero

conductance is maximum

current is minimum

impedance is minimum Amsar da ta dace

inductive reactance is zero

Bayanin Amsa

Karanta bayanin darasi akan Capacitors (JAMB)

Karanta bayanin darasi akan Scalars And Vectors (JAMB)

Karanta bayanin darasi akan Properties Of Waves: Reflection, Refraction, Diffraction (WAEC)

Karanta bayanin darasi akan Simple A.C Circuits (JAMB)

Karanta bayanin darasi akan Introductory Electronics (JAMB)

Capacitors

Scalars And Vectors

Properties Of Waves: Reflection, Refraction, Diffraction

Simple A.C Circuits

Introductory Electronics

Duba Amsa

Tambaya 16 Rahoto

Which of the following substances undergoes sublimation?

Ether

Ice

Iodine Amsar da ta dace

Naphthalene

Turpentine

Bayanin Amsa

Karanta bayanin darasi akan Change Of State (JAMB)

Karanta bayanin darasi akan Vapours (JAMB)

Change Of State

Vapours

Duba Amsa

Tambaya 17 Rahoto

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

x = 0, y = 1 and z = -1 Amsar da ta dace

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

Bayanin Amsa

Karanta bayanin darasi akan Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Duba Amsa

Tambaya 18 Rahoto

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 Amsar da ta dace

2.00s

3.14s

6.28s

Bayanin Amsa

Karanta bayanin darasi akan Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Duba Amsa

Tambaya 19 Rahoto

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 Amsar da ta dace

q ÷ 4πe_o²d

Bayanin Amsa

Karanta bayanin darasi akan Electrostatics (JAMB)

Electrostatics

Duba Amsa

Tambaya 20 Rahoto

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

amount of current passed

direction of the current Amsar da ta dace

nature of the material used

orientation of the magnetic material in space

size of the magnetic material

Bayanin Amsa

Duba Amsa

Tambaya 21 Rahoto

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

\(\frac{R}{4}\) Amsar da ta dace

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

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

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

Bayanin Amsa

Duba Amsa

Tambaya 22 Rahoto

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 Amsar da ta dace

100N

125N

225N

250N

Bayanin Amsa

Karanta bayanin darasi akan Newton’s Laws Of Motion (WAEC)

Karanta bayanin darasi akan Work, Energy And Power (WAEC)

Newton’s Laws Of Motion

Work, Energy And Power

Duba Amsa

Tambaya 23 Rahoto

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

low boiling point Amsar da ta dace

Low evaporating rate

high conductivity

high density

high viscosity

Bayanin Amsa

Duba Amsa

Tambaya 24 Rahoto

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° Amsar da ta dace

29.5°

60.0°

63.4°

Bayanin Amsa

Karanta bayanin darasi akan Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Duba Amsa

Tambaya 25 Rahoto

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

30°

45° Amsar da ta dace

60°

75°

90°

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (WAEC)

Karanta bayanin darasi akan Motion (JAMB)

Scalars And Vectors

Motion

Duba Amsa

Tambaya 26 Rahoto

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 Amsar da ta dace

1.7s

2.0s

3.4s

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Motion

Duba Amsa

Tambaya 27 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Gravitational Field (JAMB)

Gravitational Field

Duba Amsa

Tambaya 28 Rahoto

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 Amsar da ta dace

25.60A

27.68A

Bayanin Amsa

Karanta bayanin darasi akan Simple A.C. Circuits (WAEC)

Karanta bayanin darasi akan Elementary Modern Physics (JAMB)

Simple A.C. Circuits

Elementary Modern Physics

Duba Amsa

Tambaya 29 Rahoto

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 Amsar da ta dace

1914m

3828m

8700m

17400m

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Motion

Duba Amsa

Tambaya 30 Rahoto

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

condensation

conduction

convection Amsar da ta dace

evaporation

radiation

Bayanin Amsa

Karanta bayanin darasi akan Heat Transfer (JAMB)

Heat Transfer

Duba Amsa

Tambaya 31 Rahoto

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

It has no definite shape

It is compressible

Its molecules are closely packed Amsar da ta dace

Its molecules gain kinetic energy when heated

Its molecules move about randomly

Bayanin Amsa

Duba Amsa

Tambaya 32 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Capacitors (JAMB)

Capacitors

Duba Amsa

Tambaya 33 Rahoto

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 Amsar da ta dace

Water boils at a definite temperature

Water evaporates at all temperatures

Water has its maximum density at 4°C

Bayanin Amsa

Karanta bayanin darasi akan Change Of State (JAMB)

Change Of State

Duba Amsa

Tambaya 34 Rahoto

The term torque means

the equilibrant of two concurrent forces

the moment of a force about an ads Amsar da ta dace

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

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (JAMB)

Karanta bayanin darasi akan Equilibrium Of Forces (WAEC)

Scalars And Vectors

Equilibrium Of Forces

Duba Amsa

Tambaya 35 Rahoto

In which of the following fields is repulsion NOT experienced?

Electrical only

Gravitational only Amsar da ta dace

Magnetic only

Magnetic and electrical

Magnetic and gravitational

Bayanin Amsa

Karanta bayanin darasi akan Electric Field (WAEC)

Karanta bayanin darasi akan Gravitational Field (JAMB)

Electric Field

Gravitational Field

Duba Amsa

Tambaya 36 Rahoto

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

\(\frac{w}{p}\) Amsar da ta dace

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

Bayanin Amsa

Karanta bayanin darasi akan Simple Machines (JAMB)

Simple Machines

Duba Amsa

Tambaya 37 Rahoto

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 Amsar da ta dace

112s

130s

168s

280s

Bayanin Amsa

Karanta bayanin darasi akan Heat Energy (WAEC)

Heat Energy

Duba Amsa

Tambaya 38 Rahoto

Determine the value of x from the nuclear reaction below,

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

220

222 Amsar da ta dace

224

226

228

Bayanin Amsa

Karanta bayanin darasi akan Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Duba Amsa

Tambaya 39 Rahoto

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

Adhesion

Capillarity

Cohesion

Osmosis

Surface tension Amsar da ta dace

Bayanin Amsa

Duba Amsa

Tambaya 40 Rahoto

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 Amsar da ta dace

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

Bayanin Amsa

Karanta bayanin darasi akan Pressure (JAMB)

Karanta bayanin darasi akan Liquids At Rest (JAMB)

Pressure

Liquids At Rest

Duba Amsa

Tambaya 41 Rahoto

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 Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum (WAEC)

Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum

Duba Amsa

Tambaya 42 Rahoto

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

Daniel cell