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WorksheetsSecond Semester Review
Total questions: 25
Worksheet time: 15mins
What is acceleration due to gravity on Earth?
4.9 m/s2
9.8 m/s2
14.7 m/s2
19.6 m/s2
Which of the following corresponds to potential energy?
Stored energy due to location of an object.
mgh
Joules
All of the above
Which of the following corresponds to kinetic energy?
Energy due to an object being in motion.
0.5mv2
Joules
All of the above.
What is a projectile?
An object solely under the influence of gravity
An object resting on the ground
An object under the influence of multiple forces
An object in motion
Which component of a projectile's velocity remains constant?
horizontal
vertical
horizontal and vertical
neither horizontal nor vertical
What does the law of conservation of energy state?
Energy can be created through chemical reactions.
Energy eventually dies after a specific amount of time.
Energy cannot be created or destroyed, and cannot change forms.
Energy cannot be created or destroyed, but can change forms.
Calculate the amount of kinetic energy a 4-kg object will have if it is traveling at 2 m/s.
4 J
6 J
8 J
16 J
If an object on a ledge has 15 J of potential energy, how much kinetic energy will it have when it hits the ground (assume energy is conserved)?
7.5 J
15 J
30 J
Impossible to tell
Which of the following is a definition for a good insulator?
Outer electrons are absent
Outer electrons are present
Outer electrons are unable to move around
Outer electrons are able to move around
When will charge flow through a circuit?
When the circuit is open
When there is a light bulb in the circuit
When there is a potential difference across the circuit
When there is a low equivalent resistance for the circuit
Which of the following is constant for a series circuit?
voltage
resistance
current
none of the above
What happens when a bulb in a series circuit burns out?
the other bulbs go out
nothing changes
the other lights explode
the other lights burn brighter
What happens when a bulb in a parallel circuit burns out?
the other bulbs go out
nothing changes
the other lights explode
the other lights burn brighter
How much current exists in a light bulb with a resistance of 100 ohms connected to a 120-V power source?
0.83 A
1.2 A
20 A
12000 A
Which of the following contribute to the resistance of a wire?
conductivity of the material
length of the wire
thickness of the wire
all of the above
Which of the following is true current from a battery?
it is direct current
it is alternating current
it is not considered electricity
it is a combination of ac and dc
What is the current produced by a 9-V battery that produces 12 W of power
0.75 A
1.3 A
3 A
108 A
Which of the following is the correct definition of wavelength?
Distance between crest and principle axis
Time required for one cycle
Distance between successive identical parts of a wave
Number of cycles per second
What does the law of reflection say?
all waves incident on a mirror are reflected
waves incident on a mirror are partially reflected
the angle a ray is reflected from a mirror is random
the angle of reflection from a mirror equals the angle of incidence
What wavelengths of light will be absorbed by a red object?
all wavelengths
all wavelengths except red light
red light
no light
What wavelengths of light will be reflected by a green object?
all wavelengths of light
all wavelengths of light exepct for green light
green light
no light
What is the wavelength of an electromagnetic wave if the frequency is 20,000 Hz. Assume that the speed of light is 3x108 m/s.
15,000 m
0.00007 m
6666.67 m
6x1012 m
Which of the following describes a converging lens?
thinner at the center than at the edges
will converge parallel rays of light
spreads out parallel rays of light
all of the above
When does destructive interference occur?
two waves of the same color overlap
the crests of two waves overlap
the crest of one wave meets the trough of another wave
all of the above
Sound waves cannot travel in which of the following mediums?
air
water
steel
vacuum
