| GAMMA | ___ rays have the shortest wavelength and the maximum energy of all electromagnetic waves |
| IMPALE | "The sun's rays have never touched me" |
| VIOLET | Colour in the rainbow that has the shortest wavelength (6) |
| XRAY | Electromagnetic radiation of extremely short wavelength and capable of penetrating solids (1-3) |
| AGREEING | On the same wavelength -- and about to be accepted by getting on (8) |
| SHORTWAVE | Transmission and reception of information by means of electromagnetic waves about 10 to 80 m (33 to 262 feet) in length having frequencies of approximately 29.7 to 3.5 megahertz. (9) |
| COLOUR | Any one of the spectral hues determined by ocular interpretation of electromagnetic waves whose principles can be demonstrated by means of a Newton disc (6) |
| RADIATION | The emission or transfer of energy as particles, electromagnetic waves or sound (9) |
| ANGSTROM | Unit of length equal to one hundred-millionth of a centimetre, used mainly to measure electromagnetic wavelengths and atomic distances (8) |
| VFH | Variegated hosta foliage? Or the designation for the range of radio frequency electromagnetic waves from 30 to 300 megahertz? (1,1,1) |
| VHF | Variegated hosta foliage? Or the designation for the range of radio frequency electromagnetic waves from 30 to 300 megahertz? (1,1,1) |
| RESONATOR | Hollow chamber which allows the oscillation of electromagnetic waves (9) |
| FULLTILT | With maximum energy and speed (4,4) |
| FULLBLAST | With maximum energy, force free bull to survive (4-5) |
| EXAMINEES | Observed one with maximum energy backing Associated Board candidates? (9) |
| WHOSE | 'The Sun, ___ Rays' (song from 'The Mikado') |
| RADIO | Transmission of electromagnetic waves of radio frequency (5) |
| DISTORTION | In electronics, an undesired change in the shape of an electromagnetic wave or signal (10) |
| BLUESHIFT | A decrease in wavelength with an increase in frequency of an electromagnetic wave (9) |
| ETALON | An interferometer used to compare wavelengths and to study atomic spectra. (6) |
