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#Sound #howwegottonow
Flashcards
22 cards
F
Practice quiz
P
Host live
L
Questions
22
Answers
1
What did Lee Deforest Create?
Audion
Bell's Telephone
Antenna
Radio Transmission
2
What was the Telephone made for?
All of thee above
Communication
Used in War
Listen to music
3
How does sound travel fastest?
Through the mass
Through water
Through air
in space
4
What material did Scott have sound waves get etched on?
Wood
Plastic
Parchment paper
Paper
5
What genre of music was most popular when the radio was first invented?
Rock n' Roll
Punk
Country
Jazz
6
Neanderthals(cave people) used caves to do all BUT what?
For "leader" to live in
Amplify voice
Use locations for certain reverberations to send message
Tell Stories/Entertain in most acoustically interesting area
7
What was the radio's original use for?
Hobbyist's to speak together
Entertainment
News
Military use
8
What year did they get an idea to make communication to find sound waves?
1904
1903
1900
1901
9
How much faster do sound waves travel in water than air?
4X
1X
2X
3X
10
What is the frequency of the sound wave device?
560HZ
540HZ
460HZ
610HZ
11
What was the name of the first sending and receiving underwater telegraphy?
Fressenden Oscillar
Oscillar
Sound waves
Echo waves
12
What did Edouard-Leon Scott de Martinville invent?
Camera
Phonautograph
Photograph
Record Player
13
Where is the sound waves technology used the most?
Oceanography
Hospitals
Forest
Zoo's
14
What became a popular political event due to tube amplifiers and the radio?
comedy shows
talk shows
mass rallies
concerts
15
why were advancements made to submarine signal company?
After the Titanic sank they didn't want another boat to sink
For the ability to track possible invaders.
Wanted to minimize chance of losing cargo out on the ocean
To know exactly where boats are & to communicate if need be.
16
During what time period did the broadcast model of radio we know today begin?
1900's
1940's
1960's
1920's
17
Who was the first African-American to host his/her own national radio show?
Louis Armstrong
Martin Luther King jr.
Duke Ellington
Billie Holiday
18
What was the purpose of vacuum tubes?
Enable radio broadcasts and amplify the human voice
Allowed the radios to turn on/work
To decorate the radios
To clean the radios
19
What did Alexander Graham Bell discover how to do?
Use/ create miscrophone
caller ID
Write music
Reproduce sound waves (playback)
20
Original flaws w/ tube amplifiers like distortion& feedback were purposefully used by muscicans
True
False
21
When was the agreement made with AT&T?
1943
1945
1965
1956
22
What Didn't Bells Labs invent?
Computer
Lamp
Vacuum
Cell phone
