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Noise-Cancelling Tech Quiz

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Noise-Cancelling Tech Quiz: a General level Physics quiz. Test your knowledge with 13 questions!

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Questions

Question 1

How do noise-cancelling headphones work?

A By increasing volume

B By blocking sound physically

C By using magnets

D By destructive interference

Question 2

What is it called when two waves cancel each other out?

A Reflection

B Refraction

C Constructive interference

D Destructive interference

Question 3

What do noise-cancelling headphones create?

A A magnetic field

B An anti-noise wave

C A louder noise

D A vacuum

Question 4

What must the anti-noise wave match to cancel sound?

A The frequency of light

B The opposite phase

C The speed of light

D The phase of the original sound

Question 5

What type of noise is easiest to cancel?

A Bird singing

B Constant, low-frequency hum

C Random speech

D Sudden explosions

📋 This quiz has 13 questions in total.