PhYsiCs!!!!!!?

resord72: PhYsiCs!!!!!!?
which of the following types of electromagnetic radiation can be used to check metal parts for damage? X-rays, Microwave or infrared radiation?

Answers and Views:

Answer by bimeateater
X-rays.

Microwaves and infrared are too well absorbed by metals to be of much use. They simply build up heat or make the electrons crazy. So to speak.

X-rays, from decaying radioactive material, can be very good at detecting tiny flaws in metal parts, especially in welds of metallic pieces.

Answer by pearlsawme
Among the three Xrays alone can penetrate throgh metal .