quiz

Wave Interference and Beats

1. Who is credited with introducing the term “interference” ?

  • A) Albert Einstein
  • B) Isaac Newton
  • C) Thomas Young
  • D) Marie Curie 
C) Thomas Young Explanation

2. What is wave interference?

  • A) The collision of waves
  • B)  The interaction of waves on the same medium
  • C) The cooperation of waves
  • D) The absorption of waves
B) The interaction of waves on the same medium Explanation

3. What is a beat in acoustics?

  • A) The collision of sound waves
  • B) The cooperation of sound waves
  • C) The absorption of sound waves
  • D) An interference pattern between two sounds with slightly differing frequencies.
D) An interference pattern between two sounds with slightly differing frequencies. Explanation

4. Which of the following scenarios is an example of constructive interference?

  • A)  Two water waves meet out of phase and cancel each other.
  • B) Two sound waves with opposite phases reinforce each other.
  • C) Two light waves interfere to create a dark spot.
  • D) Two waves of equal amplitude cancel each other.
B) Two sound waves with opposite phases reinforce each other. Explanation

5. What happens when two sine waves in a binaural beat have a frequency difference of 0 Hz?

  • A) No beat is perceived.
  • B) A strong beat is perceived.
  • C) Both tones cancel each other out.
  • D) The brain experiences confusion.
A) No beat is perceived. Explanation

Quick Links