NECO SSCE - Physics - 2004 (Objective)

Tambaya 1 Rahoto

Which property of a fluid determines its suitability as a lubricant?

Capillarity

Diffusion

Solubility

Surface tension

Viscosity Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Fluid At Rest (WAEC)

Fluid At Rest

Duba Amsa

Tambaya 2 Rahoto

A ray of light experiences a minimum deviation when passing through an equilateral triangular glass prism. Calculate the angle of incidence of the ray. [Refractive index of glass = 1.5]

300.0°

48.6° Amsar da ta dace

60.0°

75.5°

105.0 °

Bayanin Amsa

Karanta bayanin darasi akan Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Refraction Of Light Through Plane And Curved Surfaces

Duba Amsa

Tambaya 3 Rahoto

What is the uncertainty in the measurement of time, if the uncertainty in measuring the energy of an electron of mass 10^-30 kg is 2.45 × 10^-19J? h = 6.6 × 10^-34

1.35 ×10^-15s

2.69 × 10^-15s Amsar da ta dace

4.15 × 10^-15s

9.05 × 10^-15s

1.62 × 10^-14s

Bayanin Amsa

Karanta bayanin darasi akan Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Duba Amsa

Tambaya 4 Rahoto

A stone is dropped from the top of a tower of height 11 .25m. Calculate the time it will take to reach the ground. [g = 10ms-2]

1.00s

1.50s Amsar da ta dace

2.25s

2.50s

3.00s

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Karanta bayanin darasi akan Equilibrium Of Forces (WAEC)

Motion

Equilibrium Of Forces

Duba Amsa

Tambaya 5 Rahoto

Calculate the wavelength of light travelling with a speed of 3 × 108ms^-1 and a frequency of 6.2 × 10¹⁴Hz.

4.8 × 10^-8m

4.8 × 10^-7m Amsar da ta dace

4.8 × 10^-6m

4.8 × 10^-5m

4.8 × 10^-4m

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 6 Rahoto

Which of the statements about prism binoculars is/are correct? They

I. are a pair of two telescopes mounted side by side
II. reduce the optical path of the light ray from the objective to the eye piece
III, present inverted and diminished image to the viewer
IV. present erect and magnified image to the viewer.

I only

II only

I and II only

I, II and IV only Amsar da ta dace

II, III and IV only

Bayanin Amsa

Karanta bayanin darasi akan Optical Instruments (JAMB)

Optical Instruments

Duba Amsa

Tambaya 7 Rahoto

The component of a vector in a given direction is

equal to the magnitude of the resultant vector in that direction

equal to the magnitude of the resultant vector in the opposite direction

its effective magnitude

its effective value in that direction Amsar da ta dace

its effective value in the opposite direction

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (WAEC)

Karanta bayanin darasi akan Scalars And Vectors (JAMB)

Scalars And Vectors

Duba Amsa

Tambaya 8 Rahoto

A radioactive isotope has a half-life of 8 days. What fraction of the atoms will remain after 72 days?

9.766 × 10^-4

1.736 ×10^-3

1.953 ×10^-3 Amsar da ta dace

3.472 × 10^-3

3.906 x 10^-3

Bayanin Amsa

Karanta bayanin darasi akan Elementary Modern Physics (JAMB)

Elementary Modern Physics

Duba Amsa

Tambaya 9 Rahoto

Which of the following is used as a depolarizer in a Denial cell?

Ammonium chloride

Copper (II) tetra Oxo sulphate (VI) solution Amsar da ta dace

Manganese (IV) oxide

Tetraoxo sulphate (VI) acid

Water

Bayanin Amsa

Karanta bayanin darasi akan Current Electricity (JAMB)

Karanta bayanin darasi akan Electric Cells (JAMB)

Current Electricity

Electric Cells

Duba Amsa

Tambaya 10 Rahoto

A projectile fired with initial velocity, u will attain its maximum height H when the angle of projection θ is

30°

450°

60°

75°

90° 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 11 Rahoto

Which of these expresses the relationship between the earth’s magnetic field FE, and the field’ FB due to a magnet at neutral points? FE is

equal and opposite to F^B Amsar da ta dace

equal to and in the same direction with F^B

greater than and in the same direction with F_B

greater than and opposite to F_B

less than and opposite to F_B

Bayanin Amsa

Karanta bayanin darasi akan Electric Field (WAEC)

Electric Field

Duba Amsa

Tambaya 12 Rahoto

A note, A from a guitar produces a wave of amplitude 4 mm and frequency 1000 Hz. Another note, B from a whistle produces a similar waveform of amplitude 2 mm and frequency 2200 Hz. If the two notes are compared,

A has a higher pitch than B

A is louder than B. Amsar da ta dace

B has a greater speed than A

B is louder than A

A and B have the same quality

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

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

Motion

Properties Of Waves: Reflection, Refraction, Diffraction

Duba Amsa

Tambaya 13 Rahoto

A body has masses of 0.013kg and 0.012 kg in oil and water respectively. If the relative density of oil is 0.875 calculate the mass of the body.

0.02 kg Amsar da ta dace

0.03kg

0.04kg

0.05kg

0.06kg

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Karanta bayanin darasi akan Measurements And Units (JAMB)

Motion

Measurements And Units

Duba Amsa

Tambaya 14 Rahoto

Calculate the energy stored in an inductor of inductance 0.5H when a current of 3A flows through it.

15.00 J

9.45 J

6.00 J

4.50J

2.25 J Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Capacitors (JAMB)

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

Capacitors

Work, Energy And Power

Duba Amsa

Tambaya 15 Rahoto

How far from a hill should a boy stand to hear the echo of his clap 1 .6s later? [Speed of sound in air is 340ms^-1]

186m

272m Amsar da ta dace

544m

1088m

2000m

Bayanin Amsa

Karanta bayanin darasi akan Sound Waves (WAEC)

Karanta bayanin darasi akan Propagation Of Sound Waves (JAMB)

Sound Waves

Propagation Of Sound Waves

Duba Amsa

Tambaya 16 Rahoto

Calculate the magnitude of the electric field intensity in vacuum at a distance of 25cm from a charge of 5 × 10^-3C. [Take 1/4πε₀]

7.2 × 108NC^-1 Amsar da ta dace

1.8 × 108NC^-1

5.6 × 108NC^-1

3.6 × 108NC^-1

1.5 × 106NC^-1

Bayanin Amsa

Karanta bayanin darasi akan Electric Field (WAEC)

Electric Field

Duba Amsa

Tambaya 17 Rahoto

A mass of 5kg is suspended from the ceiling of a lift with a light inextensible string. As the lift moves upwards with an acceleration of 2ms^-2, the tension in the string is [g = 10ms^-2]

25N

40N Amsar da ta dace

50N

60N

70N

Bayanin Amsa

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

Karanta bayanin darasi akan Equilibrium Of Forces (WAEC)

Newton’s Laws Of Motion

Equilibrium Of Forces

Duba Amsa

Tambaya 18 Rahoto

A surface in the path of an advancing wave on which all the particles are in the same state of disturbance is called a

crest

cycle

pulse

trough

wave front Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Sound Waves (WAEC)

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

Karanta bayanin darasi akan Light Waves (WAEC)

Sound Waves

Properties Of Waves: Reflection, Refraction, Diffraction

Light Waves

Duba Amsa

Tambaya 19 Rahoto

The time t₁, t₂ and t₃ for 20 complete oscillations of a simple pendulum experiment are 32.0s, 34.6s and 35.5s respectively. Calculate the mean period of the pendulum.

1.60s

1.70s Amsar da ta dace

1.73s

1.78s

5.11s

Bayanin Amsa

Karanta bayanin darasi akan Simple Harmonic Motion (WAEC)

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

Simple Harmonic Motion

Work, Energy And Power

Duba Amsa

Tambaya 20 Rahoto

If the distance between the plates of a parallel plate capacitor is decreased, its capacitance

becomes zero

decreases

increases Amsar da ta dace

is halved

remains the same

Bayanin Amsa

Karanta bayanin darasi akan Capacitors (JAMB)

Capacitors

Duba Amsa

Tambaya 21 Rahoto

The temperature at which the water vapour present in the air is just enough to saturate the air is the _______ point.

boiling

critical

dew Amsar da ta dace

ice

steam

Bayanin Amsa

Karanta bayanin darasi akan Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Duba Amsa

Tambaya 22 Rahoto

Which of the following is NOT an example of a percussion instrument?

Bell

Drum

Flute Amsar da ta dace

Gong

Xylophone

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Motion

Duba Amsa

Tambaya 23 Rahoto

The relative density of dilute tetraoxosulphate (vi) acid in a battery is measured with a

barometer

hydrometer Amsar da ta dace

manometer

hypsometer

Bayanin Amsa

Karanta bayanin darasi akan Measurements And Units (JAMB)

Measurements And Units

Duba Amsa

Tambaya 24 Rahoto

A car travels with a constant velocity of 45 kmh^-1 for 20s. What distance does it cover in this time?

0.025m

0.250m

2.500m

25.000m

250.000m Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Motion (JAMB)

Motion

Duba Amsa

Tambaya 25 Rahoto

A voltage supply of 12V r.m.s. and frequency 90Hz is connected to a 4 ω resistor. Calculate the peak value of the current

48.8 A

30.0 A

27.5 A

4.2 A Amsar da ta dace

3.0A

Bayanin Amsa

Duba Amsa

Tambaya 26 Rahoto

A force F is applied to a body P as shown in the diagram above. If the body moves through a distance, a, which of the following represents the work done?

Fa Cos θ Amsar da ta dace

\(\frac{Fa}{\cos \theta}\)

FaSin θ

\(\frac{Fa}{\sin \theta}\)

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (WAEC)

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

Scalars And Vectors

Work, Energy And Power

Duba Amsa

Tambaya 27 Rahoto

In which of the following are crystalline structures observable?

I. Gas
II. Liquid
III. Solid

I only

II only

III only Amsar da ta dace

I and III only

II and III only

Bayanin Amsa

Karanta bayanin darasi akan Temperature And Its Measurement (JAMB)

Temperature And Its Measurement

Duba Amsa

Tambaya 28 Rahoto

A current flows in a series circuit containing a resistor, R, an inductor, L and a capacitor, C. Which of the following is true of the power dissipated in the circuit component(s)?

The power dissipated in L is greater than zero

The power dissipated in R is zero

The sum of the power dissipated in L and C is equal to that in R

The sum of the power dissipated in L and C is greater than in R

The sum of the power dissipated in L and C is zero Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Capacitors (JAMB)

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

Capacitors

Simple A.C Circuits

Duba Amsa

Tambaya 29 Rahoto

When the same amount of current, I is passed through different wires under the same conditions, the rates of production of heat are

directly proportional to I

directly proportional to the resistances of the wires Amsar da ta dace

directly proportional to the square of the resistances of the wires

inversely proportional to I

inversely proportional to the resistance of the wires

Bayanin Amsa

Karanta bayanin darasi akan Electrostatics (JAMB)

Electrostatics

Duba Amsa

Tambaya 30 Rahoto

A body of mass 40g loses 80J of heat energy. If the specific heat capacity of the body is 400 Jkg^-1, calculate the change in temperature of the body.

0.2K

0.4K

2.0K

5.0K Amsar da ta dace

10.0K

Bayanin Amsa

Karanta bayanin darasi akan Quantity Of Heat (JAMB)

Quantity Of Heat

Duba Amsa

Tambaya 31 Rahoto

A resistor connected in parallel with a galvanometer so that a large amount of current can be measured is called a/an

ammeter

avometer

coil resistor

multiplier

shunt. Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Current Electricity (JAMB)

Current Electricity

Duba Amsa

Tambaya 32 Rahoto

An electron makes a transition from - 1.60 eV energy level to - 10.4eV energy level Calculate the energy loss due to the transition.

16.64eV

12.00eV

10.40eV

8.80eV Amsar da ta dace

6.50eV

Bayanin Amsa

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

Structure Of The Atom (Nigeria Only)

Duba Amsa

Tambaya 33 Rahoto

Which of the following conclusion(s) can be drawn from Newton’s second law of motion? Force is proportional to

I. the product of mass and acceleration
II. the product of mass and velocity
III. Impulse

I only

II only

III only

II and III only

I, II and III Amsar da ta dace

Bayanin Amsa

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

Newton’s Laws Of Motion

Duba Amsa

Tambaya 34 Rahoto

Emission spectra are caused by

kinetic energy of moving atoms

potential energy of an electron in an atom

transition of an electron from a higher energy level to a lower energy level Amsar da ta dace

transition of an electron from a lower energy level to higher energy level

transition of excited protons in the nucleus.

Bayanin Amsa

Karanta bayanin darasi akan Wave-particle Paradox (WAEC)

Karanta bayanin darasi akan Structure Of The Nucleus (WAEC)

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

Wave-particle Paradox

Structure Of The Nucleus

Structure Of The Atom (Nigeria Only)

Duba Amsa

Tambaya 35 Rahoto

The general equation of a wave CANNOT be written as

y = A Sin [2 π (\(\frac{t}{T}\) ± Xλ)]

y = A Sin [wt ± kx]

y = A Sin [2 \(\frac{\pi}{\lambda}\) (vt ± x)]

y = A Sin [2π (ft ± \(\frac{X}{\lambda}\) )]

y = A Sin 2 π f(T ± \(\frac{X}{\lambda}\))] Amsar da ta dace

Bayanin Amsa

Karanta bayanin darasi akan Production And Propagation Of Waves (WAEC)

Production And Propagation Of Waves

Duba Amsa

Tambaya 36 Rahoto

A plane which is Inclined at an angle of 30 ° to the horizontal has a velocity ratio of

2 Amsar da ta dace

0.87

0.67

0.5

Bayanin Amsa

Karanta bayanin darasi akan Scalars And Vectors (JAMB)

Karanta bayanin darasi akan Speed And Velocity (WAEC)

Scalars And Vectors

Speed And Velocity

Duba Amsa

Tambaya 37 Rahoto

For total internal reflection to occur,

I. light must be travelling from an optically more dense to an optically less dense medium.
II. the angle of incidence in the denser medium must be greater than its critical angle.
III. the angle of refraction in the less dense medium must be equal to 90 °. Which of the statements above is/are correct?

I only

II only

III only

I and II only Amsar da ta dace

II and III only.

Bayanin Amsa

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

Karanta bayanin darasi akan Refraction Of Light Through Plane And Curved Surfaces (JAMB)

Reflection Of Light At Plane And Curved Surfaces

Refraction Of Light Through Plane And Curved Surfaces

Duba Amsa

Tambaya 38 Rahoto

In which of these fields are repulsive forces NOT experienced?

I. Magnetic field
II. Gravitational field
III. Electric field

I only

II only Amsar da ta dace

III only

I and III only

II and III only

Bayanin Amsa

Karanta bayanin darasi akan Electric Field (WAEC)

Karanta bayanin darasi akan Gravitational Field (WAEC)

Electric Field

Gravitational Field

Duba Amsa

Tambaya 39 Rahoto

The resultant of two forces P and Q is least when the angle between them is

0°

45°

60°

90°

180° Amsar da ta dace

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 40 Rahoto

Which to the following is NOT a fundamental unit?

Ampere

Kelvin

Kilogramme

Newton Amsar da ta dace

Second

Bayanin Amsa

Karanta bayanin darasi akan Fundamental And Derived Quantities And Units (WAEC)

Fundamental And Derived Quantities And Units

Duba Amsa

Tambaya 41 Rahoto

The rate of diffusion of gases increases with increase(s) in

I. density
II. temperature
III, mass. Which is/are correct?

I only

II only Amsar da ta dace

I and II only

II and III only

I, II and III

Bayanin Amsa

Karanta bayanin darasi akan Gas Laws (JAMB)

Gas Laws

Duba Amsa

Tambaya 42 Rahoto

When very hot water is poured into a thin-walled glass container, it is less likely to break because

all parts of the container got heated-uniformly Amsar da ta dace

glass can withstand a very high temperature

the molecules of glass are too far apart to cause breakages of the container

the outer part of the container is cooler than the inner part

thin glass does not expand fast

Bayanin Amsa

Karanta bayanin darasi akan Temperature And Its Measurement (JAMB)

Karanta bayanin darasi akan Elasticity (JAMB)

Temperature And Its Measurement

Elasticity

Duba Amsa

Tambaya 43 Rahoto

Heat

I. is a form of energy
II. is measured with a thermometer
III. cannot be created or destroyed
IV. from a hot object is transferred through conduction only. Which of the statements above are correct?

I and II only

I and III only Amsar da ta dace

I, II and III only

II, III and IV only

I, II, III and IV

Bayanin Amsa

Karanta bayanin darasi akan Heat Energy (WAEC)

Heat Energy

Duba Amsa

Tambaya 44 Rahoto

Which of the following statements is true of nuclear fission?

Heavy nuclei combine to form new element