Q. Thermal expansion depends on __________.

थर्मल विस्तार __________ पर निर्भर करता है।

Mass only
केवल मास

Nature of material and temperature
सामग्री की प्रकृति और तापमान

Shape only
केवल आकार

Volume only
केवल वॉल्यूम

Thermal expansion is influenced by:

The nature of the material, i.e., its coefficient of expansion (different for steel, copper, etc.)
The temperature change (greater temperature changes cause more expansion).

So, it does not depend directly on mass, shape, or volume alone, but rather on material properties and temperature.

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