Counting oscillations

Exercise and reference answers

Questions

1. Question

   Frequency is the number of oscillations per

   Choices

   1. Unit time
   2. Metre
   3. Cycle

   Correct choice

   Unit time

2. Question

   The SI unit of frequency is the

   Choices

   1. Newton
   2. Hertz
   3. Joule

   Correct choice

   Hertz

3. Question

   1 Hz equals

   Choices

   1. 1 metre per second
   2. 1 radian
   3. 1 oscillation per second

   Correct choice

   1 oscillation per second

4. Question

   Motion that repeats itself is called

   Choices

   1. Periodic motion
   2. Random motion
   3. Linear motion

   Correct choice

   Periodic motion

Instructions

Tap the chip that answers each prompt.

Explanation