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
Related Mcqs:
- Total uncertainty, in the result obtained from the subtraction of two measurements, is equal to_______________?
A. Sum of their absolute uncertainties
B. The difference of their absolute uncertainties
C. The product of their absolute uncertainties
D. Division of their absolute uncertainties - Absolute uncertainty in a measurement depends upon______________?
A. The magnitude of the measurement
B. Least count of the instrument
C. Percentage error in the measurement
D. All of a, b and C - 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 - The uncertainty in momentum & position is due to its_____________?
A. Property of matter and radiation
B. Two-dimensional motion
C. Emission of the certain wavelength
D. Very high velocity - To reduce the uncertainty in the timing experiment______________?
A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a 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 - An ideal standard of measurement of a base quantity has characteristics_______________?
A. Accessible
B. Invariable
C. Transportable
D. Only a and b are correct - The cross product i^ x j^ is equal to_______________?
A. Zero
B. One
C. i^
D. k^ - According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?
A. Flow rate
B. Volume of fluid
C. Mass of fluid
D. The density of the fluid - X-rays are similar in nature to_______________?
A. Cathode rays
B. Positive rays
C. γ-rays
D. Beta rays
