Q. X-rays can be used (Solved)
1. for cutting and welding of metals.
2. to detect heart diseases.
3. to detect defects in precious stones and diamonds.
4. to detect gold under the earth.
- c. to detect defects in precious stones and diamonds.
1. for cutting and welding of metals.
2. to detect heart diseases.
3. to detect defects in precious stones and diamonds.
4. to detect gold under the earth.