Question
Physics Question on Units and measurement
Select the question having the answer as 'Yes'? (1) can a dimensional quantity be unitless ? (2) can a quantity having units be dimensionless ? (3) can a quantity have different dimensions in different sy stems of units ? (4) can the magnitude of a quantity be different in different systems of units ?
A
1
B
2
C
3
D
4
Answer
2
Explanation
Solution
Yes, for example solid angle is dimensionless but its unit is steradian (Sr) .