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Worksheets[Examination 4] Physics for Engineers
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
If the forces acting on a falling body balance one another, the body continues to fall at a constant velocity. What is thus constant velocity called?
a)
Instantaneous velocity
b)
Free-falling body
c)
Gravitational velocity
d)
Terminal velocity
2.
The first law of motion is also known as
a)
Law of acceleration
b)
Law of inertia
c)
Law of interaction
d)
Law of momentum
3.
The second law of motion is also known as
a)
Law of acceleration
b)
Law of inertia
c)
Law of interaction
d)
Law of momentum
4.
The third law of motion is also known as
a)
Law of acceleration
b)
Law of inertia
c)
Law of interaction
d)
Law of momentum
5.
Air exerts force that is opposite to the car's motion. What is this force called?
a)
Reverse effective force
b)
Terminal force
c)
Drag force
d)
Aerodynamic force
6.
What instrument is used to measure blood. pressure of human beings?
a)
Stropomanometer
b)
Pumpmanometer
c)
Electromanometer
d)
Sphygmomanometer
7.
What do light, radiowaves, microwaves and X-rays have in common?
a)
These waves were predicted by only one person, James Maxwell
b)
These do not need a medium to travel in
c)
These waves are all mechanical waves
d)
These waves are all serendipitous discoveries.
8.
Who predicted the existence of electromagnetic waves in 1865?
a)
Roentgen
b)
Maxwell
c)
Testa
d)
Doppler
9.
What is the velocity of light in meters per second?
a)
3 x 10^6
b)
3 x 10^9
c)
3x10^7
d)
3 x 10^8
10.
What is the sound level of the threshold of pain?
a)
100 dB
b)
110 dB
c)
120 dB
d)
130 dB
11.
What is the intensity in W/m2 of the threshold of pain?
a)
1
b)
10
c)
0.1
d)
0.01
12.
What is the intensity of the threshold of hearing in W/m²?
a)
10^-12
b)
10^-10
c)
10^-8
d)
10^-6
13.
What refers to a measure of the energy of sound?
a)
Intensity
b)
Loudness
c)
Pitch
d)
Sone
14.
What refers to the sensation in the ear which depends on the energy in the sound wave?
a)
Pitch
b)
Intensity
c)
Loudness
d)
Timbre
15.
How can loudness of sound be increased?
a)
By increasing the energy of sound
b)
By preventing sound waves to spread in different directions
c)
By collecting and focusing sound waves at the receiving end.
d)
All of the choices
16.
Which of the following is dependent upon the frequency of sound vibrations?
a)
Timbre
b)
Loudness
c)
Intensity
d)
Pitch
17.
The "Doppler effect is named after which. scientist?
a)
Christopher Jacques Doppler
b)
Christian Jacques Doppler
c)
Christopher Jason Doppler
d)
Christian Johann Doppler
18.
When a person tells you that the pitch of your voice is high, he is referring to
a)
the intensity of your voice
b)
the number of sound waves you are sending out per second
c)
the loudness of your voice
d)
the equality of your voice
19.
At what intensity level will a noise be considered pollutant in the environment?
a)
Above 50 dB
b)
Above 100 dB
c)
Above 120 dB
d)
Above 150 dB
20.
The velocity of sound in air increases by how many m/s for every 1°C increase in temperature?
a)
0.2
b)
0.4
c)
0.6
d)
0.8
21.
Why is sound wave travel faster in water than in air?
a)
Because water has greater density than air
b)
Because water has greater bulk modulus than air
c)
Because water has more in terms of number of molecules than air
d)
Because water has more in volume than air.
22.
What will happen to the wavelength if the velocity and frequency of a wave are both reduced to one-half?
a)
It will double.
b)
It will reduce in half
c)
it will quadruple
d)
It will remain the same.
23.
Which of the following statements is TRUE?
a)
A high-frequency sound has high pitch
b)
A high-frequency sound has low pitch.
c)
A high-frequency sound has low energy.
d)
A high-frequency sound has low pitch and low energy
24.
What part of the human ear where sound energy is converted into electrical energy?
a)
Ear drum
b)
Cochlea
c)
Tympanum
d)
Ear canal
25.
In which medium do sound waves travel the faster?
a)
Liquids
b)
Solids
c)
Vacuum
d)
Gases
26.
Who provide evidence that light and electromagnetic waves have the same nature and that they travel at the same speed and exhibit the same properties such as refraction, reflection and interference?
a)
Townes
b)
Maxwell
c)
Hertz
d)
Huygens
27.
Which of the following has the smallest wavelength band?
a)
Blue
b)
Indigo
c)
Green
d)
Yellow
28.
What color has the longest wavelength?
a)
Orange
b)
Red
c)
Yellow
d)
Green
29.
What color has the shortest wavelength
a)
Indigo
b)
Violet
c)
Blue
d)
Green
30.
What is the wavelength band of orange?
a)
550 nm-600 nm
b)
600 nm-650 nm
c)
650 nm-700 nm
d)
500 nm-550 nm
31.
What is the wavelength band in nanometer of visible light?
a)
350-700
b)
350-800
c)
300-700
d)
300-800
32.
What terms is used to describe the angular opening of a sphere that encloses the mirror?
a)
Angle of curvature
b)
Focal point
c)
Aperture
d)
Vertex
33.
What makes the sun visible even before it is in the line with the horizon?
a)
Diffraction
b)
Reflection
c)
Refraction
d)
Diffusion
34.
When the white light is passed through a prism. the different lights are bent to varying degrees and are dispersed into different colors. Which of these colors bends the most?
a)
Violet
b)
Red
c)
Orange
d)
Green
35.
When the white light is passed through a prism, the different lights are bent to varying degrees and are dispersed into different colors. Which of these colors bends the least?
a)
Violet
b)
Red
c)
Orange
d)
Green
36.
The formation of rainbow in the sky is due to
a)
diffraction
b)
reflection
c)
refraction
d)
diffusion
37.
What refers to the defect in lenses which causes unequal refraction of the different colors?
a)
Chromatic diffraction
b)
Chromatic polarization
c)
Chromatic aberration
d)
Chromatic dispersion
38.
What property of a light wave is determined by its wavelength?
a)
Color
b)
Shape
c)
Size
d)
Density
39.
What is diffraction?
a)
It is the scattering of white light behind an obstruction.
b)
It is the separation of white light into its component colors
c)
It is the merging of component colors into white light.
d)
It is the absorption of white light in the atmosphere
40.
What is dispersion?
a)
It is the scattering of white light behind an obstruction.
b)
It is the separation of white light into its component colors
c)
It is the merging of component colors into white light
d)
It is the absorption of white light in the atmosphere
41.
What are primary colors?
a)
Blue, Red and White
b)
Light colors
c)
Colors which when combined produce white light
d)
Blue. Red and Green
42.
What device used to measure atmospheric pressure and is consists of a glass tube sealed at one end filled with mercury and a slide with a Vernier scale?
a)
Bourdon gage
b)
Aneroid barometer
c)
Mercury barometer
d)
Manometer
43.
A wave that needs a material medium through which it can travel as it transfers energy?
a)
Electromagnetic wave
b)
Radio wave
c)
Microwave
d)
Mechanical wave
44.
What refers to the band of colors produced when sunlight passes through a prism?
a)
Light spectrum
b)
Solar spectrum
c)
White spectrum
d)
Visible spectrum
45.
What refers to the property of some media to transmit light wave in a diffused matter to make objects behind them undistinguishable?
a)
Lucidity
b)
Limpidity
c)
Transparent
d)
Translucent
46.
What refers to the invisible electromagnetic waves shorter than the visible violet wave but longer than the Roentgen ray?
a)
Beta ray
b)
Ultraviolet light
c)
Alpha ray
d)
X-ray
47.
What refers to the part of the shadow from which all light is excluded?
a)
Footprint
b)
Lumbra
c)
Umbra
d)
Sunspot
48.
The range of the projectile is
a)
directly proportional to the gravitational acceleration
b)
directly proportional to the square of the velocity
c)
directly proportional to the velocity
d)
inversely proportional to the velocity
49.
What instrument is used to measure humidity of air?
a)
Hydrometer
b)
Hygrometer
c)
Lactometer
d)
Radiometer
50.
It explains combustion as a result of loss of a substance.
a)
Phlogiston
b)
Reduction
c)
Fission
d)
Roasting
51.
The volume of a definite quantity of dry gas is inversely proportional to the pressure provided the temperature remains constant.
a)
Charles Law
b)
Boyle's Law
c)
Gay-Lussac's Law
d)
Dalton's Law
52.
It refers to matter that do not have definite form or structure
a)
Amorphous
b)
Morphous
c)
Transient
d)
Extrinsic
53.
Three grams of Sulphur dissolved in 200 g of naphthalene C10H8, was found decreasing the freezing point of the solvent to 0.72 °C. Find the molecular weight of the solute. (KF C10H8=6.9 C/molar)
a)
351.16 g/mole
b)
115.32 g/mole
c)
135.61 g/mole
d)
151.23 g/mole
54.
Substance having a pH level less than 7
a)
Acid
b)
Base
c)
Salt
d)
Hydrate
55.
It is the enthalpy change associated with the condensation of gaseous positive and negative ion into a crystal.
a)
Raoult's Law
b)
Lattice Energy
c)
Enthalpy Of Solution
d)
Partition Coefficient
56.
It is a product of the weathering of complex silicates, particularly of feldspars which are abundant minerals
a)
clay
b)
chalk
c)
pyrite
d)
diamond
57.
Electrons occupy all the orbitals of a given. subshell singly before pairing begins. These unpaired electrons have parallel spins. This is known as.
a)
Building Up Principle
b)
Aufbau Principle
c)
Hund's rule
d)
David's rule
58.
This law states that at constant temperature the volume of a sample of gas varies inversely with the pressure.
a)
Avogadro's Law
b)
Boyle's Law
c)
Charle's Law
d)
Gay-Lussac's Law
59.
It is the scattering of light by colloidal particles
a)
Mott Scattering
b)
Tyndall Effect
c)
Rayleigh Scattering
d)
Wolf Effect
60.
Consider H3ASO3, Arsenic acid (H=1.01.As=74.9, 0=16.0) How many mole is 1kg of H3ASO3?
a)
7.94 moles
b)
6.94 moles
c)
5.94 moles
d)
8.94 moles
61.
It is customary to indicate accuracy by using a certain numbers of figures or digits.
a)
atomic mass unit
b)
International system
c)
significant figures
d)
supplementary units
62.
It is required for organic compounds
a)
hydrogen
b)
oxygen
c)
boron
d)
carbon
63.
At what temperature reading do the Celsius scale and the Fahrenheit scale have the same temperature?
a)
-40
b)
-30
c)
-20
d)
-25
64.
The______ of the source is the luminous flux per unit area of the source
a)
luminous emittance
b)
luminous efficiency
c)
luminous intensity
d)
Illumination
65.
Brightness is the same as
a)
luminous emittance
b)
luminous efficiency
c)
luminous intensity
d)
Illumination
66.
What is a monochromatic light?
a)
Light with only one color
b)
Light with only one wavelength
c)
Light with only one color and one wavelength
d)
Light with many colors
67.
What is a three-dimensional image of an object Illuminated by a broad band of coherent light?
a)
Hologram
b)
Polygram
c)
Opaque image
d)
Translucent image
68.
In opaque material
a)
light is able to pass through
b)
the reflected energy is absorbed within a very thin layer and converted to heat
c)
light is partially absorbed
d)
the refracted energy is absorbed within a thick layer and converted to heat
69.
In translucent material
a)
light is able to pass through
b)
the refracted energy is absorbed within a very thin layer and converted to heat
c)
light is partially absorbed
d)
the reflected energy is absorbed within a thick layer and converted to heat
70.
In transparent material
a)
light is able to pass through
b)
the refracted energy is absorbed within a very thin layer and converted to heat
c)
light is partially absorbed
d)
the refracted energy is absorbed within a thick layer and converted to heat
71.
The ratio of the speeds of light in two different media is known as
a)
index of refraction
b)
index of diffraction
c)
relative index of refraction
d)
index of diffusion
72.
What occurs when two waves combine so that one subtracts from the other?
a)
Interference
b)
Superposition
c)
Reinforcement
d)
Polarization
73.
What type of waves is produced in the stem when tuning fork?
a)
Transverse wave
b)
Longitudinal wave
c)
Neither transverse wave nor longitudinal wave
d)
Both transverse wave and longitudinal wave
74.
The moment of inertia of an object is dependent on which of the following?
a)
The object's size and shape
b)
The object's mass
c)
The location of the axis of rotation
d)
All of these
75.
Which of the following statements about center of gravity is TRUE?
a)
It may be outside the object
b)
It is always at its geometrical center
c)
It is always in the interior of the object
d)
It is sometimes arbitrary
76.
A diatomic scale is a musical scale build up of how many major chords?
a)
2
b)
3
c)
4
d)
5
77.
A chromatic scale is a diatomic scale with how many added half tones?
a)
2
b)
3
c)
4
d)
5
78.
What refers to two colors which combine to form white light?
a)
Complementary colors
b)
Secondary colors
c)
Primary colors
d)
Elementary colors
79.
A spectrum consisting of a wide range of unseparated wavelength is called.
a)
visible spectrum
b)
continuous spectrum
c)
emission spectrum
d)
discontinuous spectrum
80.
What refers to the emission of electrons from a heated metal in a vacuum?
a)
Geiger effect
b)
Edison effect
c)
Eddy current
d)
Fraunhofer effect
81.
The six colors of which sunlight is composed are called
a)
secondary colors
b)
primary colors
c)
complementary colors
d)
elementary colors
82.
A spectrum formed by the dispersion of light from an incandescent solid, liquid and gas is called
a)
visible spectrum
b)
continuous spectrum
c)
emission spectrum
d)
discontinuous spectrum
83.
What is the type of force which binds the protons and neutrons together in the nucleus of an atom?
a)
Drag force
b)
Bind force
c)
Exchange force
d)
Intact force
84.
The "f" number of the lens is the ration of the
a)
focal length of the lens to the effective aperture
b)
effective aperture to the focal length of the lens
c)
magnifying power of lens to effective aperture
d)
effective aperture to magnifying power of the lens
85.
What refers to the length of time during which half of a given number of radioactive nuclei will disintegrate?
a)
active life
b)
half cycle
c)
half life
d)
half period
86.
What refers to the lowest pitch produced by a musical tone source?
a)
Treble
b)
Bass
c)
Octave
d)
Fundamental
87.
What is an electromagnetic radiation of very short wavelength emitted from the nucleus of a radioactive atom?
a)
Beta ray
b)
Alpha ray
c)
Gamma ray
d)
X-ray
88.
What is an instrumental used to detect and measure radioactivity?
a)
Edison counter
b)
Radioactive counter
c)
Fraunhofer counter
d)
Geiger effect
89.
What refers to the fundamentals and the tones whose frequencies are whole number multiples of the fundamentals?
a)
Harmony
b)
Beats
c)
Treble and bass
d)
Harmonics
90.
A spectrum consisting of monochromatic slit images having wavelengths characteristic of the atoms parent is called
a)
line spectrum
b)
continuous spectrum
c)
slit spectrum
d)
image spectrum
91.
What is an instrument used to determine the mass of atomic particles?
a)
Mass indicator
b)
Mass spectrograph
c)
Mass counter
d)
Mass technograph
92.
What is a nucleon?
a)
A proton in the nucleus of an atom
b)
An electron in the nucleus of an atom
c)
A neutron in the nucleus of an atom,
d)
A proton or a neutron of an atom
93.
What is a glass bottle used to determine the specific gravity of liquids?
a)
Beaker
b)
Flask
c)
Pyonometer
d)
Graduated cylinder
94.
What is an instrument used to determine the angle of rotation of the plane of polarized light?
a)
Polariscope
b)
Polarimeter
c)
Polargraph
d)
Polagraph
95.
What refers to the property of sound waves which depends on the number of harmonics present and on their prominence?
a)
Pitch
b)
Quality
c)
Harmonic
d)
Fundamental
96.
What refers to the failure of one set of color receptors in the eye to be stimulated?
a)
Retinal failure
b)
Retinal fatigue
c)
Pupil imperfection
d)
Astigmatism
97.
The theory that the retina of the eye is provided with three sets of receptors, each of which is sensitive to one of the three primary colors is known as
a)
True color vision theory
b)
Young-Helmholtz color vision theory
c)
Primary vision theory
d)
Young-Huygen primary vision theory
98.
What is a probable explanation for observe phenomena which is supported by abundant data?
a)
Theory
b)
Hypothesis
c)
Axiom
d)
Conclusion
99.
A tempered scale is a musical scale with_____ equal frequency ratio intervals between the successive notes of an octave.
a)
9
b)
10
c)
11
d)
1
100.
What is unifying theory applicable to the divergent phenomena of light which assumes that the transfer of energy between light and matter occurs only in discrete quantities proportional to the frequency of the energy transferred?
a)
Quantum theory
b)
Radioactive theory
c)
Nuclear energy
d)
Quark energy
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