Question Library

Browse, filter, and study verified past examination questions with step-by-step mathematical reasoning.

Launch Interactive Practice
Searching 18,000+ Questions... Sifting topics, KaTeX formulas & verified solutions
Showing 571–585 of 1316 verified questions
Sort by:
Physics NECO SSCE 2004 Mechanics and Properties of Matter
A projectile fired with initial velocity, u will attain its maximum height H when the angle of projection \theta is
A
30°
B
45°
C
60°
D
75°
E
90°
medium Difficulty
Physics NECO SSCE 2004 Waves and Optics
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?
A
I only
B
II only
C
III only
D
I and II only
E
II and III only.
medium Difficulty
Physics NECO SSCE 2004 Heat Energy & Temperature
Which property of a fluid determines its suitability as a lubricant?
A
Capillarity
B
Diffusion
C
Solubility
D
Surface tension
E
Viscosity
medium Difficulty
Physics NECO SSCE 2004 Waves and Optics
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
A has a higher pitch than B
B
A is louder than B.
C
B has a greater speed than A
D
B is louder than A
E
A and B have the same quality
medium Difficulty
Physics NECO SSCE 2004 Waves and Optics
A surface in the path of an advancing wave on which all the particles are in the same state of disturbance is called a
A
crest
B
cycle
C
pulse
D
trough
E
wave front
medium Difficulty
Physics NECO SSCE 2004 Waves and Optics
Calculate the wavelength of light travelling with a speed of 3 × 108ms-1 and a frequency of 6.2 × 1014Hz.
A
4.8 × 10-8m
B
4.8 × 10-7m
C
4.8 × 10-6m
D
4.8 × 10-5m
E
4.8 × 10-4m
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
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
A
1.35 ×10-15s
B
2.69 × 10-15s
C
4.15 × 10-15s
D
9.05 × 10-15s
E
1.62 × 10-14s
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
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.
A
0.02 kg
B
0.03kg
C
0.04kg
D
0.05kg
E
0.06kg
medium Difficulty
Physics NECO SSCE 2004 Heat Energy & Temperature
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]
A
1.00s
B
1.50s
C
2.25s
D
2.50s
E
3.00s
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
The rate of diffusion of gases increases with increase(s) in I. density II. temperature III, mass. Which is/are correct?
A
I only
B
II only
C
I and II only
D
II and III only
E
I, II and III
medium Difficulty
Physics NECO SSCE 2004 Heat Energy & Temperature
In which of the following are crystalline structures observable? I. Gas II. Liquid III. Solid
A
I only
B
II only
C
III only
D
I and III only
E
II and III only
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
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?
A
I and II only
B
I and III only
C
I, II and III only
D
II, III and IV only
E
I, II, III and IV
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
A car travels with a constant velocity of 45 kmh-1 for 20s. What distance does it cover in this time?
A
0.025m
B
0.250m
C
2.500m
D
25.000m
E
250.000m
medium Difficulty
Physics NECO SSCE 2004 Electricity and Magnetism
When the same amount of current, I is passed through different wires under the same conditions, the rates of production of heat are
A
directly proportional to I
B
directly proportional to the resistances of the wires
C
directly proportional to the square of the resistances of the wires
D
inversely proportional to I
E
inversely proportional to the resistance of the wires
medium Difficulty
Physics NECO SSCE 2004 Mechanics and Properties of Matter
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)?
A
The power dissipated in L is greater than zero
B
The power dissipated in R is zero
C
The sum of the power dissipated in L and C is equal to that in R
D
The sum of the power dissipated in L and C is greater than in R
E
The sum of the power dissipated in L and C is zero
medium Difficulty
Page 39 of 88