Advertisements
Advertisements
प्रश्न
We can say that mass of an object is 126 kg.
पर्याय
True
False
Advertisements
उत्तर
We can say that mass of an object is 126 kg- True.
APPEARS IN
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 one kilogram, the S.I. unit of mass.
Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day, and (iv) year?
Answer the following in short.
Explain the working of a beam balance.
Name the device commonly used to measure weight of a body.
State whether true or false. If false, correct the statement.
In everyday life, we use the term weight instead of mass.
Mass:: Balance: Length:: ______.
The comparison of a known quantity with the unknown quantity is the mass.
What is the standard unit of mass?
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)
