Question

X-rays can be used -; 1) To detect heart diseases; 2) To detect defects in precious stones and diamonds; 3) To detect gold under the earth; 4) For cutting and welding of metals

Answer 1

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X-rays are used to Detect defects in precious stones and diamonds

Option -2 is the Right answer✓✓

$Explanation:$

X-rays is a form of electro magnetic radiation.

Answer 2

To detect defects in precious stones and diamonds

is your answer.

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