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प्रश्न
Answer the following in short.
What do you understand by the term ‘mass’? Name any one instrument used for weighing.
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उत्तर
The amount of matter present in an object is called it's mass. Instruments used to measure mass are beam balance, spring balance, physical balance, electronic weighing machines, etc.
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संबंधित प्रश्न
Define mass.
Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day, and (iv) year?
Tick the most appropriate answer.
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Kerosene is measured with the help of the graduated cylinder.
Where are the electronic balances used?
Write a short note on the following:
Digital balance
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- Mass of electron (me)
- Universal gravitational constant (G)
- Charge of electron (e)
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Why is carbon-12 chosen as the standard for defining the amu?
