INQUIRY INTO PHYSICS ACTUAL EXAM
QUESTIONS AND CORRECT VERRIFIED
ANSWERS 2026/2027 COMPLETE TEST
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Chapter 1: The Study of Motion
1) The proper abbreviation for 'seconds' is 'sec.'
A) True
B) False
Answer: B (False)
The proper abbreviation for seconds is 's,' not 'sec.' This is a standard metric convention .
2) The metric prefix that means one thousand is milli-.
A) True
B) False
Answer: B (False)
The metric prefix that means one thousand is kilo-. Milli- means one thousandth (1/1000) .
3) Twenty milliseconds is 0.020 s.
A) True
B) False
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Answer: A (True)
The prefix milli- means one thousandth. Therefore, 20 milliseconds equals 20 × 0.001 s =
0.020 s .
4) The period of oscillation for a signal having a frequency of 60 Hz is 60 seconds.
A) True
B) False
Answer: B (False)
Period (T) is the reciprocal of frequency (f). T = 1/f = 1/60 Hz ≈ 0.0167 seconds, not 60
seconds .
5) The maximum possible speed in nature is the speed of light.
A) True
B) False
Answer: A (True)
According to Einstein's theory of relativity, the speed of light in a vacuum (approximately 3 ×
10^8 m/s) is the universal speed limit .
6) Experimenting is part of the scientific method.
A) True
B) False
Answer: A (True)
The scientific method involves observation, hypothesis formation, experimentation, and
conclusion drawing. Experimentation is a core component .
7) A body at the end of a spring oscillates up and down ten times in five seconds. The
period of oscillation is 2 s.
A) True
B) False
Answer: B (False)
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If the body oscillates 10 times in 5 seconds, the frequency is 10/5 = 2 Hz. The period is the
reciprocal: T = 1/2 = 0.5 seconds, not 2 seconds .
8) The slope of a distance vs. time graph is the acceleration.
A) True
B) False
Answer: B (False)
The slope of a distance vs. time graph represents velocity, not acceleration. The slope of a
velocity vs. time graph represents acceleration .
9) The slope of a velocity vs. time graph is the acceleration.
A) True
B) False
Answer: A (True)
The rate of change of velocity with respect to time is acceleration. Therefore, the slope of a
velocity vs. time graph equals acceleration .
10) An object moving in a circle undergoes centripetal acceleration.
A) True
B) False
Answer: A (True)
Any object moving in a circular path at constant speed is accelerating because its direction
is constantly changing. This acceleration is directed toward the center of the circle
(centripetal acceleration) .
11) If an object's acceleration is positive, its speed must be increasing.
A) True
B) False
Answer: B (False)