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How is ultraviolet radiation useful to jewellers?

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प्रश्न

How is ultraviolet radiation useful to jewellers?

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उत्तर

It helps distinguish genuine diamonds from imitation diamonds.

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पाठ 5: Electromagnetic Waves and Spectrum - EXERCISE [पृष्ठ ११४]

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गोयल ब्रदर्स प्रकाशन A New Approach to ICSE Physics [English] Class 10
पाठ 5 Electromagnetic Waves and Spectrum
EXERCISE | Q 9. (i) (ii) | पृष्ठ ११४
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