Reading the wave equation

Exercise and reference answers

Questions

1. Question

   In y = a sin(kx - wt + phi), the phase is

   Choices

   1. Just phi
   2. kx - wt + phi
   3. Just a

   Correct choice

   kx - wt + phi

2. Question

   That equation describes a wave moving in the

   Choices

   1. Negative y direction
   2. z direction
   3. Positive x direction

   Correct choice

   Positive x direction

3. Question

   The letter a stands for the

   Choices

   1. Amplitude
   2. Area
   3. Acceleration

   Correct choice

   Amplitude

4. Question

   The letter k is the

   Choices

   1. Spring constant
   2. Angular wave number
   3. Kelvin

   Correct choice

   Angular wave number

Instructions

Tap the chip that answers each prompt.

Explanation