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प्रश्न
Match the items of Column I with that of Column II and choose the appropriate code.
| Column I | Column II |
| A. Crystallography | (i) Ultraviolet rays |
| B. Detection of purity of gemstones | (ii) Gamma rays |
| C. Television remote control | (iii) X-rays |
| D. Treatment of cancer | (iv) Infrared rays |
पर्याय
A - (iii), B - (ii), C - (iv), D - (i)
A - (iv), B - (i), C - (iii), D - (ii)
A - (iii), B - (i), C - (iv), D - (ii)
A - (iv), B - (ii), C - (i), D - (iii)
MCQ
जोड्या लावा/जोड्या जुळवा
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उत्तर
A - (iii), B - (i), C - (iv), D - (ii)
Explanation:
| Column I | Column II |
| A. Crystallography | (iii) X-rays |
| B. Detection of purity of gemstones | (i) Ultraviolet rays |
| C. Television remote control | (iv) Infrared rays |
| D. Treatment of cancer | (ii) Gamma rays |
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