Question

1) Uses and adverse effects of UV, X - ray and gramma ray
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Answer 1

Answer:

1) Ultraviolet radiation :-

• Uses:- Produces Vitamin D in food of plants and animals.
• Detects the purity of eggs, ghee, gems etc.
• It is used for sterilisation of water.
• Adverse effects:- It can cause health hazards like skin cancer if our body is exposed to the radiation for a long period.

2) X-ray:-

• Uses:- It is used for detection of fracture in bones, teeth etc. and for diagnostic purposes.
• It is used in crystallography.
• It is used by the detective agencies to detect concealed precious metals.
• Adverse effects:- It can damage living cell if hard X-ray fall on them.

3) Gamma ray:-

• Uses:- It is used in medical science to kill cancer cell.
• It is used in industry to check welding.
• Adverse effects:- It can cause immense biological damage in human body.