kya sir sabhi unit &dimension iss chapter main kare ya aage pata chalege
In experiment four quantities a,b,c&d are measured with percentage error 1%,2%,3%&4% resp. quantity p is calculated as follows p=a3b2/cd percentage error in p is
(1) never has a unit (2) always has a unit (3) may have a unit (4) does not exist
Sir but options for practice Q.NO.4 IN UNIT AND MEASUREMENT
There are certain practice quetions where no options are given .How can I choose correct answer?