Which Of These Is A Funnel Shaped Device For Amplifying The Voice?

0
Difficulty
Easy

Which Of These Is A Funnel Shaped Device For Amplifying The Voice?

Question:
Which Of These Is A Funnel Shaped Device For Amplifying The Voice?
a)
Dictaphone
b)
Xylophone
c)
Megaphone
d)
Telephone

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Correct Answer
Megaphone
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