A. E=mc2
B. Vf=Vi+at
C. S=Vt2
D. S=1/2at2
Which equation is not dimensionally correct ? Read More »
Measurements, Physics Mcqs A. Deriving a possible formula
B. Checking the homogeneity of a physical equation
C. Verification of laws
D. Only A and B are correct
Dimensional analysis is helpful for__________________? Read More »
Measurements, Physics Mcqs A. Force
B. Pressure
C. Momentum
D. Energy
ML-1 T-2 is the dimension of_______________? Read More »
Measurements, Physics Mcqs A. MLT-1
B. MLT-2
C. ML-1T
D. ML-1T-2
The dimension of force is__________________? Read More »
Measurements, Physics Mcqs A. Accurate
B. Precise
C. Accurate and precise
D. None of these
Smaller the least count of the instrument more is the measurement________________? Read More »
Measurements, Physics Mcqs A. 3
B. 4
C. 5
D. 2
Number of significant figures in 0.0173 is_________________? Read More »
Measurements, Physics Mcqs A. May be significant may not significant
B. Always significant
C. Always insignificant sign
D. Significant only if left to a significant figure
A digit zero in a measurement__________________? Read More »
Measurements, Physics Mcqs 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 »
Measurements, Physics Mcqs 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 »
Measurements, Physics Mcqs 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 »
Measurements, Physics Mcqs