- Its frequency order is 10^16 Hz to 10^21 Hz.
- Its wavelength lies between 10 nm to 10^-4 nm.
- It is produced in a tube called modern X-ray tube.
- It is detected by photographic film, Geiger tubes and ionisation chamber.
- X-Ray are used as a diagnostic tool in medicine and as a treatment for certain forms of cancer.
- In engineering it is used for detecting faults, cracks, flaws and holes.
- It is used for detecting pearls in oysters, defect in rubber tyres, golds.