Question

B. Statements given below are incorrect. Write
the correct statements :
1. Force per unit area of a substance is called
density.
2. The mass of a solid is determined by a
spring balance very accurately.
3. In SI system unit of speed is kmh-1.
4. In case of uniform speed one can need to find average speed of the body.
5. With the rise in temperature of air its density increases. ​

Answer 1

Explanation:

false

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t rue

false

false

Answer 2

Answer:

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Explanation:

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