Physics
What are the S.I. units of (i) mass (ii) length (iii) time and (iv) temperature ? Write their names and symbols.
Related Questions
State two characteristics of a unit.
Name four basic measurements in our daily life.
Define one metre, the S.I. unit of length. State its one multiple and one sub multiple.
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.