A. All accurately known and all doubtful digits
B. Only accurately known digits
C. Only doubtful digits
D. All accurately known digits and the first doubtful digit
In any measurement the significant figures are Read More »
A. Taking zero correction
B. Comparing the instrument with another more accurate one
C. Taking mean of several measurements
D. All methods explained in A, B and C
Random errors can be reduced by Read More »
A. Limitation of an instrument
B. Natural variation of the object to be measured
C. Inadequate technique
D. All given in A, B and C
The uncertainty in a measurement may occur due to Read More »
A. The inexperience of a person
B. The faulty apprentice
C. Inappropriate method
D. Due to all reasons in A, B and C
The error in measurement may occur due to Read More »
A. 10 Raised to power 1
B. 10 Raised to power 2
C. 10 Raised to power 3
D. 10 Raised to power -1
Prefix deca represents Read More »
A. 1.024×103
B. 2 Raised to power 10
C. 0.000976
D. 1/0.00097
1024 can be written in scientific notation as Read More »
A. Power of ten
B. Powers of two
C. Reciprocal
D. Decimal
In scientific notation, numbers are expressed in Read More »
A. 1
B. 2
C. 3
D. 4
How many types of units are in SI ? Read More »
