MCQ
The material which practically does not show elastic after effect is
- ACopper
- BRubber
- CSteel
- ✓Quartz
✓
Answer
Correct option: D.
Quartz
d
(d) Quartz is the substance which shows practically no$-$elastic after effect.
(d) Quartz is the substance which shows practically no$-$elastic after effect.
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