

DUMB AID - SOUND
Interactive Video
•
History
•
KG - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is Mr. Alfred Glass?
A person who lost his voice
A scientist
An inventor
A teacher
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Mr. Lionel Fothergill invent?
A soundproof room
A new type of microphone
An artificial speech machine
A voice amplifier
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the components of the artificial speech machine?
Microphone, speaker, and battery
Vibrator, amplifier, and microphone
Amplifier, speaker, and cable
Microphone, battery, and speaker
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the loudspeaker in the demonstration?
To play music
To project the sound from the machine
To record the sound
To amplify the sound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was demonstrated using the artificial speech machine?
A poetry recital
A speech counting from 1 to 26
A scientific experiment
A musical performance
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