CRUZ ACERO SCHOOL
SEMESTER 1 FINAL EXAM
PHYSICS
Name_________________________________________ Period__________Date___________
I N S T R U C T I O N : Answer all questions for full credits.
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Time: 100 minutes
Please use a pencil to complete this test. A scientific calculator is allowed. No other
resources are permitted. They must be brought to the front of the room where your teacher
can see them.
Use 3.0 x 108 ms-1 as the speed of light .Use 343 ms-1 as the speed of sound in air.
Use g = 9.8 m/s2 for acceleration due to gravity unless otherwise specified.
A total of 100 minutes is allowed to complete the test, unless other accommodations have
been made beforehand.
Use the blank pages attached to the question packet to show your work
All pages of the test must be turned in at the end of the test, including the sheets provided to
show your work.
FORMULAS
𝑣=
𝑑
𝑡
KE = ½ mv2
F = ma
𝑣 =fλ
PE = mgh
𝑡𝑎𝑛 =
𝑜𝑝𝑝
𝑎𝑑𝑗
𝑇−
1
𝑓
F = ma
𝑐𝑜𝑠 =
𝑎𝑑𝑗
ℎ𝑦𝑝
g = 9.8 m/s2
Sin 450 = 0.7071
sin =
𝑓=
1
𝑇
𝑜𝑝𝑝
ℎ𝑦𝑝
Do not comport yourself in a manner that gives your teacher a reason to suspect you of cheating.
Cheating will be penalized! If you do not know what constitutes cheating, please ask. All the best!
MR. ALERAYE
1. Physics is the science study of matter in
relation to
a. Matter b. Energy c. Motion d. Force
2. A body is said to be in motion if it changes its
position with respect to
a. Time b. Speed c. Velocity d. Force
3. When an object is not moving, it is said to be
a. Random b. Stationary c. Zig-zag d.
Oscillatory.
4. One of these is NOT an example of motion
a. Translational Motion b. Rotational
Motion c. Circular Motion d. Flight motion
5. Force can be defined as
a. Push or pull b. Contact or tackle c. Fist or
full d. Action or Reaction
6. Non-contact forces act on objects without
a. Contact b. Pushing c. Pulling d. Effect
7. An Electromagnetic force is generated a as
result of interaction of
a. Electrical and chemical charges
b. Electrical and magnetic charges
c. Magnetic and ionization energy
d. Electric, magnetic and chemical
8. The force that exist between two surfaces in
contact is called
a. Contact force b. Frictional force
c. Tension d. Pressure
9. One of the following is a disadvantage of
friction
a. It allows car tires to grip the road
b. It causes objects to glue together
c. It makes walking easy
d. It causes wears and tears
10. SI unit stands for
a. System International
b. System of Unit International
c. International System of Unit
d. Standard of Installation
11. SI unit of length, mass and time are
a. m, kg and s
b. m, Kg and T
c. L, kg and T
d. l, KG and s
12. One of the following is NOT a fundamental
unit.
a. Ampere b. mol c. Candela d. meter/second
Use the information below to answer
questions 13 – 15.
A force A, acting along the positive x axis
was matched by a force B acting along
negative x axis.
13. If A = 30N and B = 20N, what will be the
magnitude and direction of the resultant
force?
a. 10N along the negative x axis
b. 10N along the positive x axis
c. 50N along the positive x axis
d. 50N along the negative x axis
14. What will be the net force if A and B act in
this same positive axis
a. 50N b. 10N c. -10N d. -50N
15. For a net force of zero
a. A and B must be different
b. A and B must equal
c. A and B must be equal and opposite
d. A and B must be equal and Adjacent
16. A suitable approach for resolving a single
vector into two perpendicular components
is
a. Triangle law of forces
b. Parallelogram law of forces
c. Rectangular law of forces
d. Pythagoras theorem
17. All of the following are vectors quantities
except
a. Distance b. Displacement c. Momentum d.
Force
18. All of the following are scalar quantities
except
a. Distance b. Displacement c. Temperature
d. mass
Use the information below to answer
question 19 -20
Garcia drove to a southern state last summer
and covered a distance of 825 miles in 15
hours.
19. What was Garcia’s speed?
a.25mph b. 45mph c. 55mph d.10mph
20. How long will it take Garcia to cover a
distance of 400miles if he travels at the same
speed?
a. 6 hours, 45 minutes b. 4 hours, 13 minutes
c. 7 hours, 27 minutes d. 12 hour, 12
minutes.
21. A vector quantity has
a. Magnitude but no direction
b. Magnitude and direction
c. Direction but no magnitude
d. SI unit only
22. The law of conservation of energy states
that:
a. Energy is interconvertible
b. There are different forms of energy
c. Thermal energy is conserved
d. None of the above
23. A microphone converts
a. Sound energy into electrical energy
b. Electrical energy into sound energy
c. Sound wave to mechanical wave
d. Thermal energy to mechanical energy
24. An object in motion possesses
a. Mechanical energy
b. Potential energy
c. Kinetic energy
d. Gravitational potential energy
25. An object possesses potential energy
a. When in motion
b. When in water
c. When at a height above the ground
d. Thrown horizontally across the road
26. A bell weighing 100kg hung from the top of
a tower 20m high has a potential energy of
a. 19600 J b. 2000 J c. 19600J d. 1000 J
27. A car travelling at a velocity of 20ms-1 weighs
1000kg. What is the kinetic energy of the
car?
a. 200KJ b. 2000KJ c. 200000KJ d. 20KJ
Use the information below to answer
question 28-30
An energy car of mass 10kg was placed at the
top of a ramp 1.5m above the ground.
1
PE = 𝑚𝑔ℎ, KE= 2 𝑚𝑣 2 , Speed=
𝑑𝑖𝑠𝑡𝑎𝑛𝑐𝑒
𝑡𝑖𝑚𝑒
28. If the ball was dropped, so that it rolled
down the ramp, what is its kinetic energy
down the ramp, assuming energy is
conserved?
a. 15.0J b. 1.50J c. 1500.0J d. 150.0J
29. What is the length of the ramp?
a. 15.6m b. 2.12m c. 1.56m d 22.12m
30. If the energy car hits the tennis ball of mass
5kg placed at the foot of the ramp, so that
the ball travels a horizontal distance X m
away from the foot of the ramp in 5s, how
far away did it stop?
a.38.34m b. 12.65m c. 10.27m d 36.72m
31. One of the following is NOT a type of wave
a. Mechanical wave
b. Electromagnetic wave
c. Artificial wave
d. Matter wave
32. One of the following requires a medium for
propagation
a. Light waves
b. Sound waves
c. Microwaves
d. X-rays
35. A wave in which the direction of propagation
is perpendicular to the direction of wave
travel is said to be
a. Longitudinal wave
b. Parallel wave
c. Transverse wave
d. Perpendicular wave
Use the figure below to answer questions
36 -37
36. In the figure above, compression refers to
a. A point of minimum density
b. A point of maximum density
c. A point of equal density
d. A point zero density
37. In the figure above, rarefaction refers to
a. A point of minimum density
b. A point of maximum density
c. A point of equal density
d. A point zero density
33. One of the following does NOT require a
medium for propagation
a. Spring wave
b. Waves of the tuning fork
c. Water waves
d. Infrared waves
34. A wave is in which the direction of
propagation is parallel to the direction of
wave travel is said to be
a. Longitudinal wave
b. Perpendicular wave
c. Parallel wave
d. Transverse wave
Use the wave diagram in the figure above
to answer question 38-40.
38. Point Band F represent the
a. Crest b. Trough c. Node d. wave
39. Point D represents the
a. Crest b. Trough c. Node d. wave
40. Amplitude of the wave diagram refers to
a. Wave travel
b. Wave speed
c. Distance between two successive
crests or troughs
d. Distance between successive nodes
41. All electromagnetic waves travel with a
speed of
a. 3.0 x 108 ms-1 b. 3.0 x 106 ms-1 c. 3.0
x 10-7 ms-1 d. 3.0 x 105 ms1
Use the information below to answer
question 42- 44
A transverse wave is observed to be moving
along a lengthy rope. Adjacent crests are
positioned 2.4 m apart. Exactly six crests are
observed to move past a given point along
the medium in 9.1 seconds. Determine the
wavelength, frequency and speed of these
waves.
42. Determine the wavelength
a. 2.0m b. 2.3m c. 2.4m d. 1.5m
43. What is the frequency of the wave?
1
(𝑓 = ) ,
(𝑇 = 𝑡/𝑛)
𝑇
a. 1.52Hz b. 0.66Hz c. 1.66Hz d. 2.4Hz
Calculate the speed of the wave. (v = f λ)
44. a.2.4ms-1 b. 0.66ms-1 c. 1.58ms-1 d. 1.66ms-1
45. When lightning strikes, it can be heard
instantaneously because light travels very
fast. However, sound does not travel as fast
as light, so thunder is heard only after the
lightning. If lightning strikes and thunder is
heard 3s later, how far apart did the two
occur? Assuming the speed of sound is
343ms-1
𝑑
𝑡
(𝑣 = , 𝑑 = 𝑣𝑡)
a.114.3m b. 1029m c. 0.008m d. 1209m
46. One of the following has the longest
wavelength on EM Spectrum.
a. Microwave
b. Infrared wave
c. Radio wave
d. Ultra-violet ray
47. Gamma ray has the highest
a. Wavelength and greatest energy
b. Frequency and shortest wavelength
c. Wave speed and greatest energy
d. Frequency and lowest energy
48. Over exposure to infrared radiation can
cause
a. Blurry vision
b. Dementia
c. Skin cancer
d. Migraine
49. One of these is NOT an application of EM
Radiation.
a. Yoga
b. Hologram
c. MRI
d. Internet services
50. Lightning conductor prevents damage due to
a. Flooding
b. Explosion
c. Earthquake
d. Lightning