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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.
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
Tick the most appropriate answer.
The SI unit of mass is
On the moon, the gravitational force is greater than on earth.
Potatoes:: Kilogram; Water:: ______.
The unit is used to measure mass ______.
Assertion (A): Mass, Length, and Time are fundamental physical quantities.
Reason (R): They are independent of each other.
What is the standard unit of mass?
Write a short note on the following:
Digital balance
Write a short note on the following:
Spring balance:
If Planck’s constant (h) and speed of light in vacuum (c) are taken as two fundamental quantities, which one of the following can, in addition, be taken to express length, mass and time in terms of the three chosen fundamental quantities?
- Mass of electron (me)
- Universal gravitational constant (G)
- Charge of electron (e)
- Mass of proton (mp)
Give an example of a constant which has a unit.
