NECO SSCE - Physics - 2002 (Objective)

Swali 1 Ripoti

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

green

indigo

red Jibu sahihi

violet

yellow

Maelezo ya Majibu

Soma maelezo ya somo kwenye Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Tazama Jibu

Swali 2 Ripoti

Which of the following is a percussion instrument?

bell Jibu sahihi

flute

guitar

piano

organ

Maelezo ya Majibu

Soma maelezo ya somo kwenye Thermal Expansion (JAMB)

Thermal Expansion

Tazama Jibu

Swali 3 Ripoti

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

16V

200V

4000V Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Capacitors (JAMB)

Soma maelezo ya somo kwenye Current Electricity (JAMB)

Capacitors

Current Electricity

Tazama Jibu

Swali 4 Ripoti

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 Jibu sahihi

decreasing the mass of the pendulum

increasing the length of the pendulum

increasing the mass of the pendulum.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Tazama Jibu

Swali 5 Ripoti

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 Jibu sahihi

3.60N

Maelezo ya Majibu

Soma maelezo ya somo kwenye Pressure (JAMB)

Soma maelezo ya somo kwenye Elasticity (JAMB)

Pressure

Elasticity

Tazama Jibu

Swali 6 Ripoti

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 Jibu sahihi

iron, copper, aluminium

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heat Transfer (JAMB)

Soma maelezo ya somo kwenye Equilibrium Of Forces (WAEC)

Heat Transfer

Equilibrium Of Forces

Tazama Jibu

Swali 7 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Tazama Jibu

Swali 8 Ripoti

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

diaphragm Jibu sahihi

film

focusing ring

lens

shutter

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum (WAEC)

Electromagnetic Waves: Types Of Radiation In Electromagnetic Spectrum

Tazama Jibu

Swali 9 Ripoti

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. Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Vapours (JAMB)

Vapours

Tazama Jibu

Swali 10 Ripoti

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 Jibu sahihi

N1.00

N5.00

N10.00

Maelezo ya Majibu

Soma maelezo ya somo kwenye Current Electricity (JAMB)

Current Electricity

Tazama Jibu

Swali 11 Ripoti

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

claw hammer

nut crackers

pliers

sugar tongs Jibu sahihi

wheelbarrow

Maelezo ya Majibu

Soma maelezo ya somo kwenye Simple Machines (JAMB)

Simple Machines

Tazama Jibu

Swali 12 Ripoti

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% Jibu sahihi

92.50%

100%

Maelezo ya Majibu

Tazama Jibu

Swali 13 Ripoti

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

erect, real and magnified image

erect, virtual and magnified image Jibu sahihi

inverted, virtual and magnified image

inverted, real and magnified image

inverted and real image the same size as the object

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electrostatics (JAMB)

Electrostatics

Tazama Jibu

Swali 14 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Current Electricity (JAMB)

Soma maelezo ya somo kwenye Reflection Of Light At Plane And Curved Surfaces (JAMB)

Current Electricity

Reflection Of Light At Plane And Curved Surfaces

Tazama Jibu

Swali 15 Ripoti

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

hot-wire ammeter Jibu sahihi

moving-coil ammeter

moving-coil loudspeaker

moving-iron ammeter

telephone earpiece

Maelezo ya Majibu

Soma maelezo ya somo kwenye Magnets And Magnetic Fields (JAMB)

Magnets And Magnetic Fields

Tazama Jibu

Swali 16 Ripoti

The phenomenon of photoelectric effect is NOT used in

automatic doors

bimetallic strip thermometers Jibu sahihi

light meters in cameras

setting off burglar alarms

sound production from film tracks.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Tazama Jibu

Swali 17 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Tazama Jibu

Swali 18 Ripoti

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 Jibu sahihi

none

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structure Of The Atom (Nigeria Only) (WAEC)

Soma maelezo ya somo kwenye Electrostatics (JAMB)

Structure Of The Atom (Nigeria Only)

Electrostatics

Tazama Jibu

Swali 19 Ripoti

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 Jibu sahihi

18 ms^-1

32 ms^-1

36 ms^-1

48 ms^-1

Maelezo ya Majibu

Soma maelezo ya somo kwenye Newton’s Laws Of Motion (WAEC)

Soma maelezo ya somo kwenye Motion (JAMB)

Newton’s Laws Of Motion

Motion

Tazama Jibu

Swali 20 Ripoti

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 Jibu sahihi

M₂U ÷ M₁ + M₂

Maelezo ya Majibu

Soma maelezo ya somo kwenye Rectilinear Acceleration (WAEC)

Soma maelezo ya somo kwenye Equilibrium Of Forces (WAEC)

Rectilinear Acceleration

Equilibrium Of Forces

Tazama Jibu

Swali 21 Ripoti

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 Jibu sahihi

concentrating electrons on the target

heating the anode

heating the cathode

producing a stream of electrons

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electric Field (WAEC)

Electric Field

Tazama Jibu

Swali 22 Ripoti

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 Jibu sahihi

II and III only

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structure Of The Nucleus (WAEC)

Structure Of The Nucleus

Tazama Jibu

Swali 23 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electromagnetic Field (Part 2) (WAEC)

Soma maelezo ya somo kwenye Electrostatics (JAMB)

Electromagnetic Field (Part 2)

Electrostatics

Tazama Jibu

Swali 24 Ripoti

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 Jibu sahihi

6.7cm

20.0cm

25.0cm

Maelezo ya Majibu

Soma maelezo ya somo kwenye Properties Of Waves: Reflection, Refraction, Diffraction (WAEC)

Soma maelezo ya somo kwenye Electrostatics (JAMB)

Properties Of Waves: Reflection, Refraction, Diffraction

Electrostatics

Tazama Jibu

Swali 25 Ripoti

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

the slip rings with split-ring commutators Jibu sahihi

the slip rings with armatures

the split-rings with slip rings

the split-rings with brushes

the brushes with slip-ring commutators.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Capacitors (JAMB)

Soma maelezo ya somo kwenye Electromagnetic Field (Part 2) (WAEC)

Capacitors

Electromagnetic Field (Part 2)

Tazama Jibu

Swali 26 Ripoti

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

accommodation Jibu sahihi

astigmatism

eye ring

myopia

presbyopia

Maelezo ya Majibu

Soma maelezo ya somo kwenye Structure Of The Atom (Nigeria Only) (WAEC)

Structure Of The Atom (Nigeria Only)

Tazama Jibu

Swali 27 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electromagnetic Field (Part 2) (WAEC)

Soma maelezo ya somo kwenye Electromagnetic Field (Part 1) (WAEC)

Electromagnetic Field (Part 2)

Electromagnetic Field (Part 1)

Tazama Jibu

Swali 28 Ripoti

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 Jibu sahihi

wave-particle paradox

Maelezo ya Majibu

Soma maelezo ya somo kwenye Wave-particle Paradox (WAEC)

Soma maelezo ya somo kwenye Properties Of Waves: Reflection, Refraction, Diffraction (WAEC)

Wave-particle Paradox

Properties Of Waves: Reflection, Refraction, Diffraction

Tazama Jibu

Swali 29 Ripoti

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 Jibu sahihi

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.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Thermal Expansion (JAMB)

Thermal Expansion

Tazama Jibu

Swali 30 Ripoti

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 Jibu sahihi

to fuse all the circuit into one

Maelezo ya Majibu

Soma maelezo ya somo kwenye Capacitors (JAMB)

Soma maelezo ya somo kwenye Electrostatics (JAMB)

Capacitors

Electrostatics

Tazama Jibu

Swali 31 Ripoti

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° Jibu sahihi

45°

60°

90°

Maelezo ya Majibu

Soma maelezo ya somo kwenye Motion (JAMB)

Motion

Tazama Jibu

Swali 32 Ripoti

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 Jibu sahihi

II only

III only

I and II only

II and Ill only

Maelezo ya Majibu

Soma maelezo ya somo kwenye Motion (JAMB)

Motion

Tazama Jibu

Swali 33 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heat Transfer (JAMB)

Soma maelezo ya somo kwenye Temperature And Its Measurement (JAMB)

Heat Transfer

Temperature And Its Measurement

Tazama Jibu

Swali 34 Ripoti

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 Jibu sahihi

6.0g

0.4g

Maelezo ya Majibu

Soma maelezo ya somo kwenye Current Electricity (JAMB)

Current Electricity

Tazama Jibu

Swali 35 Ripoti

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. Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Tazama Jibu

Swali 36 Ripoti

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 Jibu sahihi

400m

330m

165m

Maelezo ya Majibu

Soma maelezo ya somo kwenye Sound Waves (WAEC)

Soma maelezo ya somo kwenye Propagation Of Sound Waves (JAMB)

Sound Waves

Propagation Of Sound Waves

Tazama Jibu

Swali 37 Ripoti

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 Jibu sahihi

increase gradually

remain the same

Maelezo ya Majibu

Soma maelezo ya somo kwenye Change Of State (JAMB)

Change Of State

Tazama Jibu

Swali 38 Ripoti

What is stored by a dry Leclanhé cell?

chemical energy Jibu sahihi

heat energy

mechanical energy

nuclear energy

solar energy

Maelezo ya Majibu

Soma maelezo ya somo kwenye Electric Cells (JAMB)

Electric Cells

Tazama Jibu

Swali 39 Ripoti

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 Jibu sahihi

3.56 × 107ms^-1

6.00 × 107ms^-1

1.20 × 108ms^-1

Maelezo ya Majibu

Soma maelezo ya somo kwenye Gravitational Field (WAEC)

Gravitational Field

Tazama Jibu

Swali 40 Ripoti

Which is a fundamental unit?

ampere Jibu sahihi

joule

Newton

ohm

watt

Maelezo ya Majibu

Soma maelezo ya somo kwenye Fundamental And Derived Quantities And Units (WAEC)

Fundamental And Derived Quantities And Units

Tazama Jibu

Swali 41 Ripoti

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 Jibu sahihi

6.4

3.6

Maelezo ya Majibu

Soma maelezo ya somo kwenye Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Tazama Jibu

Swali 42 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Thermal Expansion (JAMB)

Thermal Expansion

Tazama Jibu

Swali 43 Ripoti

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 Jibu sahihi

18.0cm

360cm

72.0cm

Maelezo ya Majibu

Soma maelezo ya somo kwenye Production And Propagation Of Waves (WAEC)

Soma maelezo ya somo kwenye Sound Waves (WAEC)

Soma maelezo ya somo kwenye Introductory Electronics (JAMB)

Soma maelezo ya somo kwenye Types Of Waves (WAEC)

Production And Propagation Of Waves

Sound Waves

Introductory Electronics

Types Of Waves

Tazama Jibu

Swali 44 Ripoti

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 Jibu sahihi

specific heat

specific heat capacity

specific latent heat.

Maelezo ya Majibu

Soma maelezo ya somo kwenye Heat Energy (WAEC)

Soma maelezo ya somo kwenye Quantity Of Heat (JAMB)

Soma maelezo ya somo kwenye Elasticity (JAMB)

Heat Energy

Quantity Of Heat

Elasticity

Tazama Jibu

Swali 45 Ripoti

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 Jibu sahihi

Maelezo ya Majibu

Soma maelezo ya somo kwenye Pressure (JAMB)

Pressure

Tazama Jibu

Swali 46 Ripoti

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

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