Tin cry refers to
(a) Conversion of white to grey tin
(b) Tin plating
(c) Conversion of white tetrahedral tin to white rhombohedral tin
(d) Emission of sound while bending a tin rod.
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a) is absolutely correct
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Tin cry
The correct answer is: (d) Emission of sound while bending a tin rod.
Explanation:
- Tin cry can be defined as the specific type of sound which can be heard when the tin bar is bent purposely.
- Several times also expressed as a "screaming" or "crackling" sound.
- This sound is the effect that is caused in the metal by the crystal twinning but sound is not that much loud, despite the utilization of the terms to denote it such as "crying" and "screaming".
- This is sound can be experimentally heard by repeated bending of the tin bar until it is broken.
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