WorksheetsPhysics Spring Final
Total questions: 42
Worksheet time: 27mins
Name
Class
Date
1.
A student investigated the different types of collisions using dynamic cars in the laboratory. Which best describes the collision for the data?
a)
Elastic
b)
Inelastic
c)
Neither elastic nor inelastic
d)
Insufficient information
2.
As shown below, two 100 kg astronauts are floating in space. The first astronaut is moving at 4 m/s while the second is at rest. The two astronauts collide. Both astronauts are now moving at 2 m/s. Based on the information and images, which of the following statements is true?
a)
Momentum and kinetic energy are both conserved.
b)
Momentum is conserved but kinetic energy is not conserved.
c)
Kinetic energy is conserved but momentum is not conserved.
d)
Neither momentum nor kinetic energy is conserved.
3.
Two basketballs of equal mass collide in midair. If the initial velocity of Basketball A was to the right at 2.5 m/s and the initial velocity of Basketball B was to the left at 1.7m/s, what is the final velocity of Basketball A if the collision is perfectly elastic?
a)
1.7 m/s to the left
b)
1.7 m/s to the right
c)
2.5 m/s to the left
d)
2.5 m/s to the right
4.
The law of conservation of momentum states that the total momentum of an isolated system?
a)
always adds to zero even as objects in the system collide
b)
only changes when objects in the system collide
c)
only changes when objects in the system collide inelastically
d)
remains constant even as objects in the system collide
5.
Which of the following has the least momentum?
a)
.01 kg mass moving at 200 m/s
b)
1 kg mass moving at 35 m/s
c)
100 kg mass moving at 3 m/s
d)
2,000 kg mass moving at 0.1 m/s
6.
A student that just received their driver’s license decides to buy a new car. He remembers from physics class that heat engines have a thermal efficiency that can be calculated. He asks the car dealer for a car that has a high thermal efficiency rating. The car dealer says he has a car that is 100% efficient.
Which law of thermodynamics best describes why the car cannot be 100% efficient?
a)
The zeroth law of thermodynamics
b)
The first law of thermodynamics
c)
The second law of thermodynamics
d)
The third law of thermodynamics
7.
A student is preparing to take a bath when she realizes the hot water tap in the bathroom is not working. The student goes to the kitchen and prepares 10 L of 100°C water to mix with 90 L of 10°C water.
What will be the final temperature of the bath water?
a)
−1.25°C
b)
19°C
c)
55°C
d)
110°C
8.
A student is investigating the relationship between pressure, temperature, and entropy. A student manages to obtain a sample of ice, water, and water vapor that all coexist at the same temperature called the triple point.
Which will have the greatest entropy at the triple point?
a)
Solid
b)
Liquid
c)
Gas
d)
The entropy will be equal in all states
9.
A student is cooking an egg in a pan on a stovetop. What is the main method of heat transfer between the pan and the egg?
a)
Conduction
b)
Convection
c)
Entropy
d)
Radiation
10.
Which of the following would be the best example of non-damped simple harmonic motion?
a)
A mass oscillating vertically on an ideal spring
b)
Sound waves traveling through water
c)
A satellite orbiting a planet
d)
An ideal bouncy-ball repeatedly bouncing
11.
Which of the following is necessary for light to propagate?
a)
air
b)
ether
c)
matter
d)
none of these
12.
Students set up a simple pendulum to observe oscillatory motion. What is considered the amplitude of the pendulum’s motion?
a)
The mass of the pendulum
b)
The length of the pendulum
c)
The maximum angle from equilibrium
d)
The time it takes for one complete back and forth swing
13.
Calculate the speed of a periodic wave that has a wavelength of 2.0 m and a frequency of 3.0 Hz
a)
2.0 m/s
b)
5.0 m/s
c)
6.0 m/s
d)
12.0 m/s
14.
A student used a rope tied to a wall and formed a standing wave, as shown in Figure 1. The student then produced the second standing wave, as shown in Figure 2. According to the information and diagram shown above, which of the following wave properties increased?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
15.
Charles de Coulomb measured attractive and repulsive forces caused by charged objects.
Which statement is true about the electromagnetic force?
a)
Only the charge of one object that is interacting with another charged object affects the electromagnetic force between the two objects.
b)
The distance between two charged objects has no effect on the electromagnetic force between the two objects.
c)
The charge between two charged objects has no effect on the electromagnetic force between the two objects.
d)
The charge and distance between two charged objects both influence the electromagnetic force between the two objects.
16.
The graphic below illustrates the path of a positively charged particle as it is fired between two plates of unknown charge: Which of the following is the most likely orientation of the plates?
a)
Plate A - Negative; Plate B - Negative
b)
Plate A - Negative; Plate B - Positive
c)
Plate A - Positive; Plate B - Negative
d)
Plate A - Positive: Plate B - Positive
17.
Which of the following is an example of the electromagnetic force?
a)
The Earth rotating around the Sun
b)
Protons and neutrons being bound to a nucleus
c)
The radioactive decay of subatomic particles
d)
A current carrying wire
18.
When the distance between two charges is doubled, the magnitude of the electrostatic force between them —
a)
also doubles
b)
remains the same
c)
becomes half of what it was
d)
becomes one quarter of what it was
19.
Which of the following best describes all magnets found in nature?
a)
They have only one pole.
b)
They have two poles.
c)
They are made of iron.
d)
They are made of nickel.
20.
What is needed in order to create a magnetic field?
a)
Atoms
b)
A bar of iron
c)
Electric charge
d)
A changing electric field
21.
A superconductor has a critical temperature below which —
a)
it stops conducting
b)
it begins to conduct
c)
its resistance becomes zero
d)
its resistance becomes infinite
22.
A single 12.0 V battery is connected in series with two identical 10 Ω resistors. What is the current moving through the first resistor?
a)
0.6 A
b)
1.7 A
c)
120 A
d)
240 A
23.
Which of the following must be the same for both resistors R1 and R2?
a)
Current
b)
Voltage
c)
Energy dissipated
d)
Power consumed
24.
One light bulb in the kitchen burns out and suddenly several lights go out in the house. This would provide evidence that the bulbs were wired in —
a)
series
b)
parallel
c)
reverse
d)
different circuits
25.
What happens to the energy of a photon as the frequency of the wave increases?
a)
The energy increases
b)
The energy stays the same
c)
The energy decreases
26.
Quantum energy of Photon is
a)
E = mc²
b)
E = hv²
c)
E = hν
d)
E= hc/λ²
27.
A principle in quantum mechanics that states that particles, such as electrons and photons, exhibit both wave-like and particle-like properties.
a)
Wave-Particle Duality
b)
atomic
c)
fission
d)
fusion
e)
nucleus
28.
Defined by the structure of an element that cannot be separated by chemical or physical reactions
a)
atomic
b)
fission
c)
fusion
d)
nucleus
e)
Photoelectric effect
29.
A fundamental equation in quantum mechanics that describes how the quantum state of a physical system changes over time.
a)
Schrodinger Model
b)
atomic
c)
fission
d)
fusion
e)
nucleus
30.
Process of combining atoms, resulting in new byproducts being produced and large amounts of energy being released
a)
fusion
b)
atomic
c)
fission
d)
nucleus
e)
Photoelectric effect
31.
The center of mass for an atom in which protons and neutrons are held together by the strong nuclear force
a)
nucleus
b)
atomic
c)
fission
d)
fusion
e)
Photoelectric effect
32.
Phenomenon where electrons are released from matter as it absorbs electromagnetic radiation
a)
Photoelectric effect
b)
atomic
c)
fission
d)
fusion
e)
nucleus
33.
Strongest force that acts over the shortest distance and holds protons and neutrons together in the nucleus
a)
Strong nuclear force
b)
atomic
c)
fission
d)
fusion
e)
nucleus
34.
If a circuit contains two resistors in parallel, each with a resistance of 4 ohms, what is the total resistance of the circuit?
a)
2 ohms
b)
4 ohms
c)
8 ohms
d)
16 ohms
35.
What is the primary force responsible for keeping electrons in orbit around the nucleus of an atom?
a)
Gravitational force
b)
Electromagnetic force
c)
Strong nuclear force
d)
Weak nuclear force
36.
In a double-slit experiment, if the wavelength of the light used is decreased, what happens to the fringe spacing on the screen?
a)
It increases
b)
It decreases
c)
It remains the same
d)
It becomes zero
37.
Which principle explains the behavior of a particle in a box in quantum mechanics?
a)
Heisenberg Uncertainty Principle
b)
Pauli Exclusion Principle
c)
Schrodinger's Equation
d)
Newton's Third Law
38.
Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...
a)
Skater 1 experiences a greater change in momentum
b)
Skater 2 experiences a greater change in momentum
c)
Skater 1 has a greater speed than Skater 2
d)
Skater 1 experiences a greater force
39.
The Law of Conservation of Momentum states:
a)
The total momentum before a collision is equal to the total momentum after a collision.
b)
The total momentum before a collision is greater than the total momentum after a collision.
c)
The total momentum before a collision is less than the total momentum after a collision.
d)
The total momentum before a collision is not related to the total momentum after a collision.
40.
Can energy be created or destroyed?
a)
No
b)
Yes
41.
What type of collision conserves kinetic energy and objects bounce?
(a)
42.
In a futuristic space collision, if the total momentum of two spacecrafts before the collision is 100 kg·m/s, what is the total momentum after the collision assuming no external space forces act on the system?
a)
0 kg·m/s
b)
50 kg·m/s
c)
100 kg·m/s
d)
200 kg·m/s
100 %
