Question

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Answer 1

The applications of radioisotopes in industry are numerous. Many types of thickness gauges exploit the fact that gamma rays are attenuated when they pass through material. By measuring the number of gamma rays, the thickness can be determined. This process is used in common industrial applications such as:

1.The automobile industry–to test steel quality in the manufacture of cars and to obtain the proper thickness of tin and aluminum

2.The aircraft industry–to check for flaws in jet engines

3.Construction–to gauge the density of road surfaces and subsurfaces

4.Pipeline companies–to test the strength of welds

5.Oil, gas, and mining companies–to map the contours of test wells and mine bores, and

cable manufacturers–to check ski lift cables for cracks.

Hope this answer helps…

Answer 2

The uses of radioactivity are

1 The nuclear element like uranium 235 is used as a fuel in atomic energy.

2 They are used in for generation of electricity in nuclear power plants

3 They are also used in determine the age of fossil by carbon dating (URANIUM METHOD).