NECO SSCE - Physics - 2002 (Objective)

Ibeere 1 Ìròyìn

Which process will increase the rate of oscillation of a pendulum?

decreasing the amplitude of oscillation of the pendulum

decreasing the length of the pendulum Ìdáhùn tó tọ́

decreasing the mass of the pendulum

increasing the length of the pendulum

increasing the mass of the pendulum.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Wo Idahun

Ibeere 2 Ìròyìn

What does NOT affect the rate of evaporation of a liquid

exposed surface area of the liquid

humidity of the surroundings

nature of the liquid

temperature the liquid

volume of the liquid. Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Vapours (JAMB)

Vapours

Wo Idahun

Ibeere 3 Ìròyìn

Which device does NOT make use of the magnetic effects of an electric current?

hot-wire ammeter Ìdáhùn tó tọ́

moving-coil ammeter

moving-coil loudspeaker

moving-iron ammeter

telephone earpiece

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Magnets And Magnetic Fields (JAMB)

Magnets And Magnetic Fields

Wo Idahun

Ibeere 4 Ìròyìn

A transformer supplies 12V when connected to a 240V mains. If the transformer takes 0.120A from the mains when used to light a 12V, 24W lamp, what is its efficiency?

57.20%

66.60%

83.30% Ìdáhùn tó tọ́

92.50%

100%

Awọn alaye Idahun

Wo Idahun

Ibeere 5 Ìròyìn

The ability of the eye to focus on objects at various distances is known as

accommodation Ìdáhùn tó tọ́

astigmatism

eye ring

myopia

presbyopia

Awọn alaye Idahun

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

Structure Of The Atom (Nigeria Only)

Wo Idahun

Ibeere 6 Ìròyìn

In which of the following are the substances arranged in descending order of their thermal conductivities?

aluminium, copper, iron

aluminium, iron, copper

copper, aluminium, iron

copper, iron. aluminium Ìdáhùn tó tọ́

iron, copper, aluminium

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Transfer (JAMB)

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Heat Transfer

Equilibrium Of Forces

Wo Idahun

Ibeere 7 Ìròyìn

An electric heater takes 4A when operated on a 250V supply. What is the cost of the electricity consumed at 10k per kWh when the heater is used for 5 hours?

10k

50k Ìdáhùn tó tọ́

N1.00

N5.00

N10.00

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Current Electricity (JAMB)

Current Electricity

Wo Idahun

Ibeere 8 Ìròyìn

A body is uniformly accelerated from rest. Which of the following quantities vary/varies linearly with the square of the time?

I. Displacement
II. Velocity
III. Momentum

I only Ìdáhùn tó tọ́

II only

III only

I and II only

II and Ill only

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Motion

Wo Idahun

Ibeere 9 Ìròyìn

What is the escape velocity of a satellite launched from the earth’s surface? (Take g as 10ms^-2 and the radius of the earth as 6.4 × 10⁶m)

7.80 × 10-3ms^-1

1.13 × 10-4ms^-1 Ìdáhùn tó tọ́

3.56 × 107ms^-1

6.00 × 107ms^-1

1.20 × 108ms^-1

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Gravitational Field (WAEC)

Gravitational Field

Wo Idahun

Ibeere 10 Ìròyìn

A platinum-resistance thermometer has a resistance of 10 ω at 0°C and 18 ω at 100°C. Assuming that resistance changes uniformly with temperature, what is the resistance of the thermometer when the temperature is 45°C?

27.8

17.8

13.6 Ìdáhùn tó tọ́

6.4

3.6

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Wo Idahun

Ibeere 11 Ìròyìn

If the size of the hole of a pinhole camera is increased, the image formed becomes

brighter and blurred

brighter and larger

brighter and sharper

blurred and duller

blurred and larger Ìdáhùn tó tọ́

Awọn alaye Idahun

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

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Electromagnetic Field (Part 2)

Electrostatics

Wo Idahun

Ibeere 12 Ìròyìn

Which statement is NOT correct about Rutherford’s model of the atom?

The diameter of the nucleus is of the order of 10-15m

The mass of an atom is concentrated in the nucleus

The model is applicable to atoms with one electron in the outer shell Ìdáhùn tó tọ́

The nucleus of an atom is positively charged

The nucleus is surrounded by an electron cloud.

Awọn alaye Idahun

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

Structure Of The Atom (Nigeria Only)

Wo Idahun

Ibeere 13 Ìròyìn

Which is a fundamental unit?

ampere Ìdáhùn tó tọ́

joule

Newton

ohm

watt

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Fundamental And Derived Quantities And Units (WAEC)

Fundamental And Derived Quantities And Units

Wo Idahun

Ibeere 14 Ìròyìn

A block of ice of mass 10kg at 0°C absorbs heat energy from its surroundings and changes to water at the same temperature. The heat absorbed is referred to as

heat capacity

latent heat Ìdáhùn tó tọ́

specific heat

specific heat capacity

specific latent heat.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Energy (WAEC)

Ka ìwé ẹ̀kọ́ nípa Quantity Of Heat (JAMB)

Ka ìwé ẹ̀kọ́ nípa Elasticity (JAMB)

Heat Energy

Quantity Of Heat

Elasticity

Wo Idahun

Ibeere 15 Ìròyìn

Which radiation is emitted when a beam of fast moving cathode rays is stopped by a heavy element?

Alpha rays

Gamma rays

Positive rays

Ultraviolet rays

X-rays Ìdáhùn tó tọ́

Awọn alaye Idahun

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

Ka ìwé ẹ̀kọ́ nípa Electromagnetic Field (Part 1) (WAEC)

Electromagnetic Field (Part 2)

Electromagnetic Field (Part 1)

Wo Idahun

Ibeere 16 Ìròyìn

The silvered walls of a vacuum flask minimise loss of heat due to

conduction and convection

conduction only

convection and radiation

convection only

radiation only Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heat Transfer (JAMB)

Ka ìwé ẹ̀kọ́ nípa Temperature And Its Measurement (JAMB)

Heat Transfer

Temperature And Its Measurement

Wo Idahun

Ibeere 17 Ìròyìn

If the refractive index of water is 1.33, what is the critical angle for a water-air boundary?

36.0 °

40.2 °

41.8 °

48.8 ° Ìdáhùn tó tọ́

62.7 °

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Wo Idahun

Ibeere 18 Ìròyìn

A body of mass 4 kg is accelerated from rest by a steady force of 9N. What is its speed when it has travelled a distance of 8m?

6 ms^-1 Ìdáhùn tó tọ́

18 ms^-1

32 ms^-1

36 ms^-1

48 ms^-1

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 19 Ìròyìn

A body of weight 20N displaces 12N of the liquid in which it is immersed. What is the upthrust of the liquid on the body?

240N

32N

20N

12N Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 20 Ìròyìn

Which colour is deviated least when white light passes through a triangular prism?

green

indigo

red Ìdáhùn tó tọ́

violet

yellow

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Wo Idahun

Ibeere 21 Ìròyìn

A brass cube of side 10cm is heated through 30°C. If the linear expansivity of brass is 2.0 × I0\(^{-5}\) K-1 , what is the increase in its volume?

0.06 cm³

0.18cm³

0.60cm³

1.20cm³

1.80cm³ Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Thermal Expansion (JAMB)

Thermal Expansion

Wo Idahun

Ibeere 22 Ìròyìn

A converging lens of focal length 5cm forms a virtual image which is 20cm from the lens. How far from the lens is the object?

2.0cm

4.0 cm Ìdáhùn tó tọ́

6.7cm

20.0cm

25.0cm

Awọn alaye Idahun

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

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Properties Of Waves: Reflection, Refraction, Diffraction

Electrostatics

Wo Idahun

Ibeere 23 Ìròyìn

When a current of 1 .0A flows in an electrolyte for 3.0h, a mass of 1 .0g is deposited. What mass will be deposited in 10.0h if a current of 3.0A flows through the electrolyte?

30.0g

24.0g

10.0g Ìdáhùn tó tọ́

6.0g

0.4g

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Current Electricity (JAMB)

Current Electricity

Wo Idahun

Ibeere 24 Ìròyìn

According to the Kinetic Theory, what does NOT occur when the temperature of a constant volume of gas is increased?

a decrease in the mean speed kinetic energy of the molecules Ìdáhùn tó tọ́

an increase in the mean speed of the molecules

an increase in the momentum change at each collision.

an increase in the number of collisions per second

an increase in the pressure exerted by the gas.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Thermal Expansion (JAMB)

Thermal Expansion

Wo Idahun

Ibeere 25 Ìròyìn

An air bubble of volume 4cm³ is formed 20m under water. What will be its volume when it rises to just below the surface of the water if the atmospheric pressure is equivalent to a height of 10cm of water?

2cm³

4cm³

6cm³

8cm³

12cm³ Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Pressure (JAMB)

Pressure

Wo Idahun

Ibeere 26 Ìròyìn

A body of mass M₁ moving with a velocity U collides with a stationary body of mass M₂ and both move with a common velocity V. If linear momentum is conserved, which expression correctly represents V?

M₁ + M₂ ÷ M₁U

M₂U ÷ M₁ – M₂

M₁U ÷ M₁ – M₂

M₁U ÷ M₁+ M₂ Ìdáhùn tó tọ́

M₂U ÷ M₁ + M₂

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Rectilinear Acceleration (WAEC)

Ka ìwé ẹ̀kọ́ nípa Equilibrium Of Forces (WAEC)

Rectilinear Acceleration

Equilibrium Of Forces

Wo Idahun

Ibeere 27 Ìròyìn

In which simple machine is the effort applied between the load and the fulcrum?

claw hammer

nut crackers

pliers

sugar tongs Ìdáhùn tó tọ́

wheelbarrow

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple Machines (JAMB)

Simple Machines

Wo Idahun

Ibeere 28 Ìròyìn

An object is projected with a velocity of 50ms^-1 from ground level at an angle θ to the vertical. If the total time of flight of the projectile is 5s, what is the value of θ? (g = 10ms^-2)

0°

30° Ìdáhùn tó tọ́

45°

60°

90°

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Motion (JAMB)

Motion

Wo Idahun

Ibeere 29 Ìròyìn

A negatively charged rod is brought near the cap of an electroscope. The cap is earthed momentarily while the charge is near to it. The rod is then removed. Which statement is correct?

The cap will be positively charged and the will be negatively charged

The cap will be negatively charged and the leaf will be positively changed

The cap and the leaf will be positively charged

The cap and the leaf will be negatively charged Ìdáhùn tó tọ́

none

Awọn alaye Idahun

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

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Structure Of The Atom (Nigeria Only)

Electrostatics

Wo Idahun

Ibeere 30 Ìròyìn

What is stored by a dry Leclanhé cell?

chemical energy Ìdáhùn tó tọ́

heat energy

mechanical energy

nuclear energy

solar energy

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electric Cells (JAMB)

Electric Cells

Wo Idahun

Ibeere 31 Ìròyìn

What part of the camera corresponds to the iris of the eye?

diaphragm Ìdáhùn tó tọ́

film

focusing ring

lens

shutter

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 32 Ìròyìn

A body executing a simple harmonic motion has an angular velocity of 22 radians per second. If it has a maximum

1100ms^-1

440 ms^-1

220 ms^-1

22 ms^-1

2.2ms^-1 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Wo Idahun

Ibeere 33 Ìròyìn

An a.c. generator can be converted into a d.c. generator by replacing

the slip rings with split-ring commutators Ìdáhùn tó tọ́

the slip rings with armatures

the split-rings with slip rings

the split-rings with brushes

the brushes with slip-ring commutators.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Capacitors (JAMB)

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

Capacitors

Electromagnetic Field (Part 2)

Wo Idahun

Ibeere 34 Ìròyìn

A man stands in front f a high wall and produces a sound. If he receives the echo of the sound four seconds later, what is his distance from the wall? [The speed of sound in air is 330ms^-1]

1320m

660m Ìdáhùn tó tọ́

400m

330m

165m

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Sound Waves (WAEC)

Ka ìwé ẹ̀kọ́ nípa Propagation Of Sound Waves (JAMB)

Sound Waves

Propagation Of Sound Waves

Wo Idahun

Ibeere 35 Ìròyìn

If the temperature of a resistance wire is gradually increased, its resistance will

decrease gradually

first increase and then decrease

first increase and then remain the same Ìdáhùn tó tọ́

increase gradually

remain the same

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Change Of State (JAMB)

Change Of State

Wo Idahun

Ibeere 36 Ìròyìn

It is NOT possible to determine exactly and simultaneously the position and momentum of a particle. This statement is known as the

Crompton effect

de Broglie’s laws

Frank-Hertz experimental law

Heisenberg’s uncertainly principle Ìdáhùn tó tọ́

wave-particle paradox

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Wave-particle Paradox (WAEC)

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

Wave-particle Paradox

Properties Of Waves: Reflection, Refraction, Diffraction

Wo Idahun

Ibeere 37 Ìròyìn

An object weighing 0.60N is hung on a spiral spring and caused it to extend by 6.0cm. The object is removed and a black of wood replacing it causes the spring to extend by 10.0cm. What is the weight of the block of wood?

0.10N

0.36N

0.80N

1.00N Ìdáhùn tó tọ́

3.60N

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Pressure (JAMB)

Ka ìwé ẹ̀kọ́ nípa Elasticity (JAMB)

Pressure

Elasticity

Wo Idahun

Ibeere 38 Ìròyìn

In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the purpose of

accelerating the electrons to a very high energy Ìdáhùn tó tọ́

concentrating electrons on the target

heating the anode

heating the cathode

producing a stream of electrons

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electric Field (WAEC)

Electric Field

Wo Idahun

Ibeere 39 Ìròyìn

The use of electrical fuses in domestic wiring is

to prevent and electrical shock

to supply electricity to all the electrical appliances

to allow electricity to flow easily through the mains to all the circuits

to cut off the mains supply it too high a current flows Ìdáhùn tó tọ́

to fuse all the circuit into one

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Capacitors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Capacitors

Electrostatics

Wo Idahun

Ibeere 40 Ìròyìn

In the normal use of a simple microscope, a person sees an

erect, real and magnified image

erect, virtual and magnified image Ìdáhùn tó tọ́

inverted, virtual and magnified image

inverted, real and magnified image

inverted and real image the same size as the object

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electrostatics (JAMB)

Electrostatics

Wo Idahun

Ibeere 41 Ìròyìn

The wavelength of a stationary wave is 36.0cm. What is the distance between a node and the next anti-node?

6.0cm

9.0cm Ìdáhùn tó tọ́

18.0cm

360cm

72.0cm

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Production And Propagation Of Waves (WAEC)

Ka ìwé ẹ̀kọ́ nípa Sound Waves (WAEC)

Ka ìwé ẹ̀kọ́ nípa Introductory Electronics (JAMB)

Ka ìwé ẹ̀kọ́ nípa Types Of Waves (WAEC)

Production And Propagation Of Waves

Sound Waves

Introductory Electronics

Types Of Waves

Wo Idahun

Ibeere 42 Ìròyìn

The energy stored in a capacitor of capacitance 5 μF is 40J. What is the voltage applied across its terminals?

16V

200V

4000V Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Capacitors (JAMB)

Ka ìwé ẹ̀kọ́ nípa Current Electricity (JAMB)

Capacitors

Current Electricity

Wo Idahun

Ibeere 43 Ìròyìn

Which of the following is a percussion instrument?

bell Ìdáhùn tó tọ́

flute

guitar

piano

organ

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Thermal Expansion (JAMB)

Thermal Expansion

Wo Idahun

Ibeere 44 Ìròyìn

Lenz’s law of electromagnetic induction states that

e.m.f. is induced in a circuit whenever there is a change in the magnetic flux linked with the circuit

the induced e.m.f. in a circuit is proportional to the rate of change f the number of lines of force linking the circuit

the induced current in a conductor is in such a direction as to oppose the change producing it Ìdáhùn tó tọ́

a force is exerted in a current-carrying conductor in a magnetic field.

the induced e.m.f. is proportional to the current producing the magnetic flux.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Electric Field (WAEC)

Electric Field

Wo Idahun

Ibeere 45 Ìròyìn

A short response time is obtained in a liquid-in-glass thermometer when the

bulb is large and thick-walled

bulb is small and thick-walled

stem is long and thin

liquid is of high density and the bulb is large

bulb is thin-walled and the liquid is a good conductor of heat. Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Wo Idahun

Ibeere 46 Ìròyìn

The phenomenon of photoelectric effect is NOT used in

automatic doors

bimetallic strip thermometers Ìdáhùn tó tọ́

light meters in cameras

setting off burglar alarms

sound production from film tracks.

Awọn alaye Idahun

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

Structure Of The Atom (Nigeria Only)

Wo Idahun

Ibeere 47 Ìròyìn

An object 8cm in front of a plane mirror moves at a speed of 6cm s^-1 away from the mirror. What will be the distance separating the object and the image after 2s?

8cm

12cm

20cm

28cm

40cm Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Current Electricity (JAMB)

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

Current Electricity

Reflection Of Light At Plane And Curved Surfaces

Wo Idahun

Ibeere 48 Ìròyìn

Which of the following is/are TRUE of nuclear fission?

I. A heavy nucleus is split into two nuclei of comparable masses.
II. Two light nuclei are joined together to form a heavier nucleus.
III. The total mass of the products is less than that of the reactants.

I only

II only

III only

I and III only Ìdáhùn tó tọ́

II and III only

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Structure Of The Nucleus (WAEC)

Structure Of The Nucleus

Wo Idahun






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