| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Measured in hertz, it's the term for the number of complete waves passing a certain point in a unit of time | frequency | $1,200 | DJ | PHYSICS | 2019-11-14 | #8094 | |
| In wave motion, period, the time one complete cycle takes, is the reciprocal of this, the no. of cycles in a given time | frequency DD | $1,400 | DJ | PHYSICS | 2007-06-20 | #5258 | |
| Next in the sequence of radio wave frequencies: low, medium, high, very high | ultra-high frequency | $300 | J | PHYSICS | 1991-01-02 | #1463 |