NECO SSCE - Physics - 2002 (Objective)

Ajụjụ 1 Ripọtì

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 Azịza ziri ezi

specific heat

specific heat capacity

specific latent heat.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Energy (WAEC)

Gụọ akwụkwọ nkuzi na Quantity Of Heat (JAMB)

Gụọ akwụkwọ nkuzi na Elasticity (JAMB)

Heat Energy

Quantity Of Heat

Elasticity

Lee Azịza

Ajụjụ 2 Ripọtì

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

the slip rings with split-ring commutators Azịza ziri ezi

the slip rings with armatures

the split-rings with slip rings

the split-rings with brushes

the brushes with slip-ring commutators.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Capacitors (JAMB)

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

Capacitors

Electromagnetic Field (Part 2)

Lee Azịza

Ajụjụ 3 Ripọtì

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 Azịza ziri ezi

400m

330m

165m

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Sound Waves (WAEC)

Gụọ akwụkwọ nkuzi na Propagation Of Sound Waves (JAMB)

Sound Waves

Propagation Of Sound Waves

Lee Azịza

Ajụjụ 4 Ripọtì

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

erect, real and magnified image

erect, virtual and magnified image Azịza ziri ezi

inverted, virtual and magnified image

inverted, real and magnified image

inverted and real image the same size as the object

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Electrostatics

Lee Azịza

Ajụjụ 5 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Thermal Expansion (JAMB)

Thermal Expansion

Lee Azịza

Ajụjụ 6 Ripọtì

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 Azịza ziri ezi

18 ms^-1

32 ms^-1

36 ms^-1

48 ms^-1

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 7 Ripọtì

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° Azịza ziri ezi

45°

60°

90°

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Motion

Lee Azịza

Ajụjụ 8 Ripọtì

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 Azịza ziri ezi

3.60N

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Pressure (JAMB)

Gụọ akwụkwọ nkuzi na Elasticity (JAMB)

Pressure

Elasticity

Lee Azịza

Ajụjụ 9 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Pressure (JAMB)

Pressure

Lee Azịza

Ajụjụ 10 Ripọtì

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 ° Azịza ziri ezi

62.7 °

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Lee Azịza

Ajụjụ 11 Ripọtì

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 Azịza ziri ezi

6.0g

0.4g

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

Current Electricity

Lee Azịza

Ajụjụ 12 Ripọtì

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 Azịza ziri ezi

6.7cm

20.0cm

25.0cm

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Properties Of Waves: Reflection, Refraction, Diffraction

Electrostatics

Lee Azịza

Ajụjụ 13 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Transfer (JAMB)

Gụọ akwụkwọ nkuzi na Temperature And Its Measurement (JAMB)

Heat Transfer

Temperature And Its Measurement

Lee Azịza

Ajụjụ 14 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Electromagnetic Field (Part 1) (WAEC)

Electromagnetic Field (Part 2)

Electromagnetic Field (Part 1)

Lee Azịza

Ajụjụ 15 Ripọtì

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

accommodation Azịza ziri ezi

astigmatism

eye ring

myopia

presbyopia

Akọwa Nkọwa

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

Structure Of The Atom (Nigeria Only)

Lee Azịza

Ajụjụ 16 Ripọtì

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

diaphragm Azịza ziri ezi

film

focusing ring

lens

shutter

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 17 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple Harmonic Motion (WAEC)

Simple Harmonic Motion

Lee Azịza

Ajụjụ 18 Ripọtì

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 Azịza ziri ezi

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.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electric Field (WAEC)

Electric Field

Lee Azịza

Ajụjụ 19 Ripọtì

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

green

indigo

red Azịza ziri ezi

violet

yellow

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Lee Azịza

Ajụjụ 20 Ripọtì

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 Azịza ziri ezi

iron, copper, aluminium

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Heat Transfer (JAMB)

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Heat Transfer

Equilibrium Of Forces

Lee Azịza

Ajụjụ 21 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

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

Current Electricity

Reflection Of Light At Plane And Curved Surfaces

Lee Azịza

Ajụjụ 22 Ripọtì

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 Azịza ziri ezi

The nucleus of an atom is positively charged

The nucleus is surrounded by an electron cloud.

Akọwa Nkọwa

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

Structure Of The Atom (Nigeria Only)

Lee Azịza

Ajụjụ 23 Ripọtì

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 Azịza ziri ezi

to fuse all the circuit into one

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Capacitors (JAMB)

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Capacitors

Electrostatics

Lee Azịza

Ajụjụ 24 Ripọtì

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 Azịza ziri ezi

decreasing the mass of the pendulum

increasing the length of the pendulum

increasing the mass of the pendulum.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Equilibrium Of Forces

Lee Azịza

Ajụjụ 25 Ripọtì

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 Azịza ziri ezi

increase gradually

remain the same

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Change Of State (JAMB)

Change Of State

Lee Azịza

Ajụjụ 26 Ripọtì

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

hot-wire ammeter Azịza ziri ezi

moving-coil ammeter

moving-coil loudspeaker

moving-iron ammeter

telephone earpiece

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Magnets And Magnetic Fields (JAMB)

Magnets And Magnetic Fields

Lee Azịza

Ajụjụ 27 Ripọtì

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 Azịza ziri ezi

concentrating electrons on the target

heating the anode

heating the cathode

producing a stream of electrons

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electric Field (WAEC)

Electric Field

Lee Azịza

Ajụjụ 28 Ripọtì

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 Azịza ziri ezi

3.56 × 107ms^-1

6.00 × 107ms^-1

1.20 × 108ms^-1

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Gravitational Field (WAEC)

Gravitational Field

Lee Azịza

Ajụjụ 29 Ripọtì

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 Azịza ziri ezi

II and III only

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structure Of The Nucleus (WAEC)

Structure Of The Nucleus

Lee Azịza

Ajụjụ 30 Ripọtì

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

16V

200V

4000V Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Capacitors (JAMB)

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

Capacitors

Current Electricity

Lee Azịza

Ajụjụ 31 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 32 Ripọtì

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 Azịza ziri ezi

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.

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Thermal Expansion (JAMB)

Thermal Expansion

Lee Azịza

Ajụjụ 33 Ripọtì

Which of the following is a percussion instrument?

bell Azịza ziri ezi

flute

guitar

piano

organ

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Thermal Expansion (JAMB)

Thermal Expansion

Lee Azịza

Ajụjụ 34 Ripọtì

What is stored by a dry Leclanhé cell?

chemical energy Azịza ziri ezi

heat energy

mechanical energy

nuclear energy

solar energy

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Electric Cells (JAMB)

Electric Cells

Lee Azịza

Ajụjụ 35 Ripọtì

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 Azịza ziri ezi

none

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Electrostatics (JAMB)

Structure Of The Atom (Nigeria Only)

Electrostatics

Lee Azịza

Ajụjụ 36 Ripọtì

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. Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Lee Azịza

Ajụjụ 37 Ripọtì

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. Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Vapours (JAMB)

Vapours

Lee Azịza

Ajụjụ 38 Ripọtì

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 Azịza ziri ezi

M₂U ÷ M₁ + M₂

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Rectilinear Acceleration (WAEC)

Gụọ akwụkwọ nkuzi na Equilibrium Of Forces (WAEC)

Rectilinear Acceleration

Equilibrium Of Forces

Lee Azịza

Ajụjụ 39 Ripọtì

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

claw hammer

nut crackers

pliers

sugar tongs Azịza ziri ezi

wheelbarrow

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Simple Machines (JAMB)

Simple Machines

Lee Azịza

Ajụjụ 40 Ripọtì

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 Azịza ziri ezi

wave-particle paradox

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Wave-particle Paradox (WAEC)

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

Wave-particle Paradox

Properties Of Waves: Reflection, Refraction, Diffraction

Lee Azịza

Ajụjụ 41 Ripọtì

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 Azịza ziri ezi

II only

III only

I and II only

II and Ill only

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Motion (JAMB)

Motion

Lee Azịza

Ajụjụ 42 Ripọtì

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 Azịza ziri ezi

6.4

3.6

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Lee Azịza

Ajụjụ 43 Ripọtì

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 Azịza ziri ezi

18.0cm

360cm

72.0cm

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Production And Propagation Of Waves (WAEC)

Gụọ akwụkwọ nkuzi na Sound Waves (WAEC)

Gụọ akwụkwọ nkuzi na Introductory Electronics (JAMB)

Gụọ akwụkwọ nkuzi na Types Of Waves (WAEC)

Production And Propagation Of Waves

Sound Waves

Introductory Electronics

Types Of Waves

Lee Azịza

Ajụjụ 44 Ripọtì

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% Azịza ziri ezi

92.50%

100%

Akọwa Nkọwa

Lee Azịza

Ajụjụ 45 Ripọtì

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 Azịza ziri ezi

N1.00

N5.00

N10.00

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Current Electricity (JAMB)

Current Electricity

Lee Azịza

Ajụjụ 46 Ripọtì

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

brighter and blurred