Quick picks on wave optics

Exercise and reference answers

Questions

1. Question

   A surface of constant phase is a:

   Choices

   1. Wavefront
   2. Ray path
   3. Wavelet

   Correct choice

   Wavefront

2. Question

   Wavefronts from a point source are:

   Choices

   1. Flat
   2. Spherical
   3. Conical

   Correct choice

   Spherical

3. Question

   Wave energy travels in a direction that is:

   Choices

   1. Along the front
   2. At forty five
   3. Perpendicular

   Correct choice

   Perpendicular

4. Question

   A source moving away gives a:

   Choices

   1. Red shift
   2. Blue shift
   3. Grey shift

   Correct choice

   Red shift

5. Question

   A source moving nearer gives a:

   Choices

   1. Red shift
   2. Blue shift
   3. Dark shift

   Correct choice

   Blue shift

Instructions

Tap the correct answer before the round moves on.

Explanation