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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
Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):
Define mass.
Define one kilogram, the S.I. unit of mass.
Name the device commonly used to measure mass.
Name the device commonly used to measure weight of a body.
1 metric ton is equal to ______.
State whether true or false. If false, correct the statement.
A physical balance is more sensitive than a beam balance.
______ is used to measure mass.
The unit is used to measure mass ______.
Since 2019, the kilogram has been redefined based on which fundamental physical constant?
