Physics
Name the instrument which is commonly used to measure the mass of a body. State how it is used.
Related Questions
The diagram below shows a stick placed along a metre ruler. The length of the stick is measured keeping the eye at positions A, B and C.
(a) Write the length of stick PQ as observed, for each position of the eye. Are they all same ?
(b) Which is the correct position of the eye? Write the correct length of the stick.
Define mass. State its (i) S.I. (ii) C.G.S and (iii) F.P.S units. How are they related?
Define one kilogram, the S.I. unit of mass. How is it related to (i) quintal (ii) metric tonne and (iii) gram?
Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day and (iv) year?