Physics · Material Science
उच्च तापमान पर भी अपनी कठोरता (hardness) बनाए रखने के लिए उपकरण सामग्री (tool material) के गुण को किस रूप में जाना जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1प्लास्टिसिटी (Plasticity)
- 2रेड हार्डनेस (Red hardness)✓
- 3टफनेस (Toughness)
- 4लचीलापन (Elasticity)
सही उत्तर देखें
रेड हार्डनेस (Red hardness)
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