Pick it fast

Exercise and reference answers

Questions

1. Question

   Maxwell's extra current was called:

   Choices

   1. Displacement
   2. Displeasure

   Correct choice

   Displacement

2. Question

   Waves were demonstrated in 1885 by:

   Choices

   1. Hooke
   2. Hertz

   Correct choice

   Hertz

3. Question

   Radar in aircraft navigation uses:

   Choices

   1. Microwaves
   2. Gamma rays

   Correct choice

   Microwaves

4. Question

   Most ultraviolet is absorbed by the:

   Choices

   1. Oxide layer
   2. Ozone layer

   Correct choice

   Ozone layer

5. Question

   Which charges radiate these waves?

   Choices

   1. Accelerated
   2. Stationary

   Correct choice

   Accelerated

6. Question

   Cellular phones work in which band?

   Choices

   1. Infrared
   2. Ultrahigh frequency

   Correct choice

   Ultrahigh frequency

Instructions

Tap the right answer before the timer runs out.

Explanation