The error in measurement may occur due to_________________?
A. The inexperience of a person B. The faulty apprentice C. Inappropriate method D. Due to all reasons in A, B and C
Physics MCQs with Answers
The uncertainty in a measurement may occur due to_______________?
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
Random errors can be reduced by_______________?
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
In any measurement the significant figures are______________?
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
A digit zero in a measurement__________________?
A. May be significant may not significant B. Always significant C. Always insignificant sign D. Significant only if left to a significant figure
Number of significant figures in 0.0173 is_________________?
A. 3 B. 4 C. 5 D. 2
Smaller the least count of the instrument more is the measurement________________?
A. Accurate B. Precise C. Accurate and precise D. None of these
The dimension of force is__________________?
A. MLT-1 B. MLT-2 C. ML-1T D. ML-1T-2
ML-1 T-2 is the dimension of_______________?
A. Force B. Pressure C. Momentum D. Energy
Dimensional analysis is helpful for__________________?
A. Deriving a possible formula B. Checking the homogeneity of a physical equation C. Verification of laws D. Only A and B are correct