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physics final

Total questions: 114

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

LASER is the acronym for

a)

Light Amplified by Spontaneous Emission of Radiation

b)

Light Amplification by Stimulated Absorption of Radiation

c)

Light Amplification by Stimulated Emission of Radiation

d)

Light Absorption by Stimulated Emission of Radiation

2.

It is a natural process.

a)

Stimulated absorption

b)

Spontaneous emission

c)

Stimulated emission

d)

None

3.

The photon emitted by this process can be moved only in the direction of the incident photon.

a)

Stimulated Emission

b)

Spontaneous Emission

c)

Stimulated Absorption

d)

Coherence

4.

Population inversion means

a)

Number of atoms in excited state are equal to the number of atoms in the ground state.

b)

Number of atoms in excited state are more than the number of atoms in the ground state.

c)

Number of atoms in excited state are less than the number of atoms in the ground state.

d)

No atom in excited state.

5.

The minimum number of levels required for the condition of population inversion is

a)

2

b)

4

c)

5

d)

3

6.

The life time of metastable state is

a)

smaller than the lifetime of excited state

b)

equal to the lifetime of excited state

c)

More than the lifetime of excited state

d)

Zero

7.

LASER action in He-Ne laser is due to

a)

Ne

b)

He

c)

Ne and He both

d)

Natural process

8.

The nature of output radiation in He-Ne laser is

a)

pulse mode

b)

continuous

c)

Both

d)

None

9.

What is the role of Helium in He-Ne laser?

a)

The condition of population inversion is achieved in He.

b)

He is responsible of Laser action.

c)

He atoms excite Ne atoms.

10.

Einstein proved thermodynamically that

a)

The probability of stimulated absorption is equal to the probability of stimulated emission.

b)

The probability of stimulated absorption is equal to the probability of spontaneous emission.

c)

The probability of stimulated emission is equal to the probability of spontaneous emission.

11.

The population inversion can be achieved by exciting the medium with a suitable form of energy. This process is called....

a)

Stimulated absorption

b)

Stimulated emission

c)

Spontaneous emission

d)

Pumping

12.

The pumping mechanism required in He-Ne Laser is

a)

Electric discharge

b)

optical pumping

c)

Direct conversion

d)

Chemical conversion

13.

A source is said to be Monochromatic if

a)

light coming from a source has only one frequency.

b)

light coming from a source has two frequency.

c)

Light coming from a source has multiple frequency.

14.

What does the picture below illustrate?

a)

Visible Light Spectrum

b)

Electromagnetic Spectrum

c)

Frequency Indicator

d)

Color Line

15.

What is the saying that can help you remember the order of the visible spectrum?

a)

ROYGBIV

b)

RYOBIVG

c)

ROYBVIG

d)

RIBYOVG

16.

How are we able to see the color white?

a)

All colors except red are absorbed

b)

All colors are absorbed

c)

All colors are reflected

d)

All colors except red are reflected

17.

What does reflection mean?

a)

Bending Light

b)

Bouncing Light

18.

Of the visible spectrum, what color has the longest wavelength?

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Violet

19.

What type of wave does a light wave resemble?

a)

Transverse wave

b)

Compressional wave

20.

Light is a type of energy that travels as an ______________ ____________.

a)

Longitudinal Wave

b)

Electric Current

c)

Electromagnetic Wave

d)

Magnetic Wave

21.

A prism can be used to...

a)

separate visible light into colors

b)

make a beam of light brighter

c)

measure the speed of light

d)

make UV light visible

22.

What happens when light transitions into a new medium?

a)

Reflection

b)

Absorbing

c)

Refraction

d)

Mirror

23.

A blue dish appears blue because it

a)

absorbs blue light

b)

absorbs white light

c)

reflects white light

d)

reflects blue light

24.

What is this a picture of?

a)

Reflection

b)

Refraction

25.

___________ is a form of energy that we can see with our eyes.

a)

Radio Waves

b)

Visible Light

c)

Ultraviolet

d)

Reflection

26.

What is visible light used in?

a)

Light Bulbs, TVs, Lasers

b)

Nothing, Visible light cannot be used

c)

Sound

d)

When we Breathe

27.

Is Visible Light Dangerous?

a)

No, Visible light cannot harm you

b)

Yes, visible light is highly radioactive and should be handled carefully. Visible light when in contact with human skin can cause aerial skin cancer.

c)

No, this is because visible light isn't real

d)

Yes, Visible light at high concentrations can cause burns, blindness, and indirect DNA damage but at low levels is harmless

28.

What is the Corona? (BONUS)

a)

The temperature of the sun

b)

The outer most layer of the Sun's atmosphere

c)

Another name for the Electromagnetic Spectrum

d)

The measurement of the crests and troughs on a transverse wave

29.

The distance traveled by a wave in one period is called?

a)

Frequency

b)

Period

c)

Speed of wave

d)

Wavelength

e)

Amplitude

30.

Which of the following is the speed of a wave traveling with a wavelength λ, frequency f, and period T?

a)

v=λfv=\frac{\lambda}{f}

b)

v=fλv=\frac{f}{\lambda}

c)

v=λ⋅fv=\lambda\cdot f

d)

v=f⋅Tv=f\cdot T

e)

v=fTv=\frac{f}{T}

31.

The frequency of a wave is doubled when the wavelength remains the same. What happens to the speed of the wave?

a)

It doubles

b)

It quadruples

c)

Remains unchanged

d)

It is cut to one-half

e)

It is cut to one-fourth

32.

The frequency of a wave increases when the speed remains the same. What happens to the distance between two consecutive crests?

a)

It increases

b)

It decreases

c)

Stays unchaged

d)

It increases first and then decreases

e)

It decreases first and then increases

33.

Which of the following statements is true about transverse waves?

a)

They always have the same frequencies

b)

They always have the same velocities

c)

They always have the same wavelengths

d)

They always travel through a dense medium

e)

The particles vibrate in perpendicular direction with respect to the wave motion

34.

Which of the following statements is true about longitudinal waves?

a)

They always have the same frequencies

b)

They always have the same velocities

c)

They always have the same wavelengths

d)

They always travel through a dense medium

e)

The particles vibrate along the same direction as the wave motion

35.

A wave travels on a string of length L, linear density µ, and tension T. Which of the following is true?

a)

The wave speed is inversely proportional to the tension T

b)

The wave speed is directly proportional the linear density µ

c)

The wave speed increases with increasing tension T

d)

The wave speed increases with increasing linear density

e)

The wave speed only depends on the length of the string

36.

A wave pulse travels a long a thin part of a horizontal cord and reaches another part of the cord which is much thicker and heavier. Which of the following is true about the reflected and transmitted pulse by the boundary in the cord

a)

Reflected Pulse: Upright; Transmitted Pulse: Upright

b)

Reflected Pulse: Inverted; Transmitted Pulse: Inverted

c)

Reflected Pulse: Upright; Transmitted Pulse: Inverted

d)

Reflected Pulse: Inverted; Transmitted Pulse: Upright

e)

Reflected Pulse: Zero Amplitude; Transmitted Pulse: Zero Amplitude

37.

A wave pulse travels a long a heavy part of a horizontal cord and reaches another part of the cord which is much thinner and lighter. Which of the following is true about the reflected and transmitted pulse by the boundary in the cord

a)

Reflected Pulse: Upright; Transmitted Pulse: Upright

b)

Reflected Pulse: Inverted; Transmitted Pulse: Inverted

c)

Reflected Pulse: Upright; Transmitted Pulse: Inverted

d)

Reflected Pulse: Inverted; Transmitted Pulse: Upright

e)

Reflected Pulse: Zero Amplitude; Transmitted Pulse: Zero Amplitude

38.

Two wave pulses with equal positive amplitudes travel on a cord approaching each other. What is the result of the oscillations when the pulses reach the same point?

a)

It is constructive interference with twice the amplitude

b)

It is destructive interference with zero amplitude

c)

It is constructive interference with slightly greater amplitude

d)

It is constructive interference with the negative amplitude

e)

The standing wave is produced

39.

Two wave pulses one with a positive amplitude the other with equal negative amplitude travel on a cord approaching each other. What is the result of the oscillations when the pulses reach the same point?

a)

It is constructive interference with twice the amplitude

b)

It is destructive interference with zero amplitude

c)

It is constructive interference with slightly greater amplitude

d)

It is constructive interference with the negative amplitude

e)

The standing wave is produced

40.

What is the amplitude of oscillations?

a)

0.5 cm

b)

1 cm

c)

2 cm

d)

5 cm

e)

20 cm

41.

What is the wavelength of the wave?

a)

0.5 cm

b)

1 cm

c)

2 cm

d)

5 cm

e)

20 cm

42.

What is the amplitude of oscillations?

a)

1 cm

b)

2 cm

c)

4 cm

d)

6 cm

e)

8 cm

43.

What is the wavelength of the wave?

a)

1 cm

b)

2 cm

c)

4 cm

d)

6 cm

e)

8 cm

44.

A stretched string of length L = 2 m resonates in two loops. What is the wavelength of the wave?

a)

1m

b)

2m

c)

3m

d)

4m

e)

6m

45.

A stretched string of length L = 6 m resonates in three loops. What is the wavelength of the wave?

a)

1m

b)

2m

c)

3m

d)

4m

e)

6m

46.

A stretched string of length 8 m vibrates at a frequency of 50 Hz producing a standing wave pattern with 4 loops. What is the speed of wave?

a)

50 m/s

b)

100 m/s

c)

150 m/s

d)

200 m/s

e)

250 m/s

47.

A guitar string resonates at a frequency of 500 Hz forming a standing wave pattern with 5 loops. What is the fundamental frequency?

a)

100 Hz

b)

200 Hz

c)

300 Hz

d)

400 Hz

e)

500 Hz

48.

A guitar string resonates at a fundamental frequency of 300 Hz. Which of the following frequencies can set the string into resonance?

a)

30 Hz

b)

100 Hz

c)

400 Hz

d)

500 Hz

e)

600 Hz

49.

The distance traveled by a wave in one period is called?

a)

Frequency

b)

Period

c)

Speed of wave

d)

Wavelength

e)

Amplitude

50.

What are stocks?

a)

A share in the ownership of a company.

b)

Stealing part of a company

c)

Running a company

d)

Mooching off of someone for your own benefit

51.

Why do companies issue stocks?

a)

To raise money for their company

b)

To make extra money

c)

To steal from other

d)

To fuel gambling addictions

52.

What does the shareholder get out of the deal?

a)

Satisfaction

b)

The joy that they’re helping a company

c)

The hope that the stock will be worth more in the future

d)

Good juju

53.

What’s an IPO?

a)

Iguanas Penguins and Ostriches

b)

I Parked Oddly

c)

I Placed an Order

d)

Initial Public Offering

54.

What is a dividend?

a)

A portion of something

b)

Money that a company pays to its stockholders from the profits it makes

c)

Extra money for the spa

d)

money owed to the company

55.

Difference between common and preferred stocks?

a)

One is the type most people purchase and one doesn’t have the same voting rights.

b)

I don’t know.

c)

One is good and one is bad

d)

Common because everyone makes money and preferred because it’s better

56.

Is the U.S the only country that trades?

a)

No

b)

Yes

57.

What is the bull?

a)

When the economy is doing well, the GPD is growing and stock prices are rising.

b)

An animal

c)

Energy drink stock

d)

When everything is going your way and you’re making money. You’re gambling more and more, spending more and more money on each stock and then next thing you know BOOM, you’re poor. You lost EVERYTHING. Now you have to attend GA meetings because your family thinks you have a problem.

58.

The bear?

a)

Depends on which bear?

b)

The same as the Bull.

c)

Opposite of the Bull.

d)

I don’t know

59.

What makes someone want to buy a stock?

a)

any stock

b)

The cheapest stock

c)

The price of the stock and what the investor thinks the worth of the company is

d)

How cool the stock is

60.

Do current world events have an impact on stock?

a)

Yes

b)

No

c)

Maybe, so

d)

If you don’t get the joke I’ll be disappointed.

61.

How do stocks trade?

a)

Flea markets

b)

NYSE is a physical location and NASDAQ is a virtual market.

c)

note passing

d)

I don’t know

62.

I’ll do great on the test

a)

Yes

b)

No

63.

What does the prefix tract mean

a)

draw

b)

type

c)

paint

d)

engrave

64.
Potential or kinetic?
Stretched bow and arrow?
a)
kinetic
b)
potential
65.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
66.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
67.

Select all: Work is equal to...

a)

KE + PE

b)

Change in energy

c)

mg

d)

Fd

68.
What is the difference between calculating power and work?
a)
Power takes into account the time it takes to complete a task
b)
Work takes into account the time it takes to complete a task
c)
Power is force/area
d)
Work is force/area
69.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
70.
If an object moves from a high place to a lower place, will it gain or lose potential energy?
a)
lose
b)
gain
c)
neither
d)
both
71.

Bobby lifts a book to the second floor in 20 seconds. Carol lifts the same book to the second floor in 10 seconds. Who did more work?

a)

Bobby

b)

Carol

c)

They did the same amount of work

d)

Not enough information

72.

A girl weighs 400 N. She runs up a flight of stairs of height 5 m in 4 seconds. Her power is:

a)

320 W

b)

400 W

c)

500 W

d)

2 000 W

73.
Groot rescues Rocket from the bottom of a deep pit. Groot expends 1000 J of energy lifting Rocket who has a mass of 50 kg out of the pit. How deep is the pit?
a)
0.5 m
b)
2 m
c)
4 m
d)
10 m
74.

How much gravitational potential energy does a 100kg (220lb.) skydiver have if they jump from 4000 meters?

a)

3920000 J

b)

294 J

c)

180000 J

d)

1225 J

75.

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

a)

294 J

b)

180000 J

c)

1225 J

d)

3920000 J

76.

What is the kinetic energy of a 1,600kg Mustang travelling at 15 m/s (33mph)

a)

180000 J

b)

294 J

c)

1225 J

d)

3920000 J

77.

A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

a)

1225 J

b)

180000 J

c)

294 J

d)

3920000 J

78.

What is the unit for mass?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

79.

What is the unit for distance?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

80.

What is the unit for force?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

81.

What is the unit for energy?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

82.

What is the formula for speed?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

83.

What is the formula for force?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

84.

What is the formula for acceleration?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

85.

What is the formula for kinetic energy?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

86.

What is the formula for gravitational potential energy?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

87.

A 2kg television falls from 1 meter. How much energy does it have?

a)

19.6 J

b)

196 J

c)

2 J

d)

9.8J

88.
What Greek Symbol represents The Golden Ratio?
a)
Phi
b)
Psi
c)
Pi
d)
Theta
89.
What are some of the application of The Golden Ratio?
a)
Dance, Music and Writing
b)
Art, Reading and Counting
c)
Architecture, Music and Design
d)
English, Political Justice and Sports Management
90.
What is the number that represents The Golden Ratio?
a)
3.141
b)
1.618
c)
2.624
d)
1.253
91.
What is the basic formula for The Golden Ratio?
a)
(a+b)/a
b)
(a+b)/b
c)
(a-b)/a
d)
(a-b)/b
92.
What did Fibonacci say about The Golden Ratio?
a)
The Fibonacci sequence is equal to The golden ratio
b)
The Fibonacci sequence is not equal to The golden ratio
c)
The Fibonacci sequence approaches The golden ratio
d)
The Fibonacci sequence has not relation what so ever to The golden ratio
93.
What is the name of this figure?
a)
Square Ratio
b)
Rectangle Ratio
c)
Sum of Ratio
d)
Regular Ratio
94.

In what math subject does The Golden ratio appear frequently?

a)

Differential Equation

b)

Trigonometry

c)

Calculus

d)

Physics Geometry

95.

. The golden ratio is claimed to appear in many fields, such as cosmology, theology, arts, architecture, botany and others.

a)

True

b)

False

96.

Which of the following is the symbol for Golden Ratio?

a)

Σ (Sigma)

b)

ϕ (Phi)

c)

π (Pi)

d)

µ (Mu)

97.
What approximation is phi?
a)
3.14
b)
1.618
c)
1.619
d)
2.618
98.
(4 + __) / 4 = 1.618
a)
2.45
b)
3.672
c)
2.472
d)
2.542
99.
Which of the following would be a Fibonacci sequence?
a)
1, 2, 3, 4, 5, 6
b)
2, 4, 6, 10, 16, 26
c)
3, 6, 9, 12, 15, 18
d)
4, 2, 1, 1/2, 1/4, 1/8
100.
What is the Fibonacci number pattern?
a)
Counting up starting from 1 by 1.
b)
Adding the two numbers before it to get the next number.
c)
Multiplying the two numbers before it to get the next number.
d)
Subtracting the two numbers before it to get the next number.
101.
Is this an example of Fibonacci's number sequence in nature?
a)
Yes
b)
No
102.
Fibonacci spirals are claimed to appear in the arrangements and patterns of fruits, vegetables, pine cones, seed heads and shells.
a)
True
b)
False
103.
Is this an example of Fibonacci's number sequence in nature?
a)
Yes
b)
No
104.

Choose all of the ratios equivalent to 6:4:8

a)

3:2:4

b)

9:6:12

c)

1.5:1:2

d)

12:8:16

105.

Determine if the pair of ratios or rates are equivalent.

18 vocabulary words learned in 2 hours; 27 vocabulary words learned in 3 hours

a)

Yes

b)

No

106.

Determine if the pair of ratios or rates are equivalent.

78 correct answers out of 100 test questions; 39 correct answers out of 50 test questions

a)

Yes

b)

No

107.

Fibonacci Sequence Looks Like

a)

1,1,2,3,5,13

b)

0,1,2,3,4,5,6,7

c)

0,1,1,2,3,5,8,13

d)

1,2,4,6,8

108.

Formula of Fibonacci sequence

a)

xn=xn-1+xn-2

b)

xn

c)

xn-x-1

d)

xn-1xn-1

109.

Examples of Fibonacci Sequence

a)

Pencil

b)

Human Anatomy

c)

Parthenon

d)

Both B and C

110.

Leonardo Fibonacci is from:

a)

Pisa, Italy

b)

Berlin, Germany

c)

Rome, Italy

d)

Paris France

111.

Which of these is an Example of Fibonacci sequence in nature

a)

Galaxies

b)

The Flowers Petals

c)

Rock

d)

Grass

112.

The Golden Ratio is approximately

a)

1.618

b)

0.618

c)

3.14

d)

None of the above

113.

Around what Year was he born

a)

1175

b)

1999

c)

1350

d)

1340

114.

What Number system did he popularize

a)

Roman Numerals

b)

Hindu-Arabic

c)

Russian-Chinese

d)

North-South American

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