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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):
Write true or false.
Mass is the measure of quantity of matter.
Fill in the blank:
The ............ of an object is measured with the help of a beam balance.
Tick the most appropriate answer.
Which of the following devices is used to measure mass?
We can say that mass of an object is 126 kg.
Assertion(A): The scientifically correct expression is “ The mass of the bag is 10 kg”
Reason (R): In everyday life, we use the term weight instead of mass.
Stop clock:: accurate time: _______:: accurate weight.
Differentiate mass from weight
Mass is ______.
Since 2019, the kilogram has been redefined based on which fundamental physical constant?
