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Sample 1 - Waves

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AP Physics B multiple choice questions, with answers, similar to the questions in the AP physics exam are presented. The questions are on waves, wavelength, frequency, velocity, microwaves and other concepts.

  1. Which of the following waves can propagate in a vacuum?

    I) light waves

    II) sound waves

    III) microwaves

    A) I) only

    B) II) only

    C) I) and III) only

    D) III) only

    E) all

  2. Which of the following is not an example of electromagnetic wave?

    I) x-rays

    II) water waves

    III) radio waves

    A) II) only

    B) I) only

    C) III) only

    D) I) and III) only

    E) I) and II) only

  3. Which of the following represents the relationship between the frequency $f$, velocity $v$ and wavelength $\lambda$ of a wave?

    A) $\lambda = \dfrac{f}{v}$

    B) $f = \dfrac{v}{\lambda}$

    C) $f = \dfrac{\lambda}{v}$

    D) $\lambda = f + v$

    E) $v \cdot \lambda = f$

  4. If a wave propagate into different media, which of the following change?

    I) speed

    II) frequency

    III) wavelength

    A) I) only

    B) II) only

    C) III) only

    D) I) and III) only

    E) II) and III) only

  5. If the distance between two successive crest of a traveling wave is equal to 50 cm and its frequency is equal to 500 Hz, then its speed is

    A) 250 m/s

    B) 1000 m/s

    C) 0.1 m/s

    D) 10 m/s

    E) 25,000 m/s

  6. As a wave propagate from medium (A) to medium (B) its speed doubles. Which of the following is true about the wave?

    A) the period doubles

    B) the frequency halves

    C) the wavelength doubles

    D) the amplitude doubles

    E) no property of the wave changes

  7. How many complete cycles would a pendulum make in 40 seconds if its frequency 0.5 Hz?

    A) 80

    B) 120

    C) 100

    D) 40

    E) 20

Answers to the Above Questions
  1. C
  2. A
  3. B
  4. D
  5. A

  6. C
  7. E



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Updated: 26 September 2015

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