Question

3. Which apparatus is commonly used in the laboratory to show expansion of a solid on heating?

5. Which of these expand the most on heating-solids, liquids or gases?
6. If overhead electric cables are being laid in summers, should they be tightened up, or left a
little loose?
7. Which is the correct formula: F = (3)C + 32 or C = (?) + 32?
8. What are the upper fixed points of the Celsius and the Fahrenheit scales?
9. Which thermometer is used to record body temperature?​

Answer 1

Explanation:

Answer: The apparatus commonly used in the laboratory to show expansion on heating is the ring and ball apparatus. In this experiment, the ball cannot pass through the ring due to its expansion, but the same ball can pass through the same ring when it is cooled down.

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Answer 2

Answer:

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