PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following question:
A group of students tested different materials to find out whether they could be drawn into thin wires. Their observations are given below.
| Material | Observation |
|---|---|
| Copper | Formed a wire of length 40 cm from the given sample |
| Aluminium | Formed a wire of length 60 cm from the given sample |
| Silver | Formed a wire of length 80 cm from the given sample |
| Gold | Formed a wire of length 120 cm from the given sample |
| Glass | Broke when stretched |
| Coal | Crumbled into pieces |
1. A jeweller wants to make an extremely thin chain. Based on the activity, which material would be the best choice?
2. Which material is the most ductile according to the activity?
3. Which material would be least suitable for making the strings of a veena based on the observations?
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