Absolute uncertainty in a measurement depends upon______________?

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. An ideal standard of measurement of a base quantity has characteristics_______________?

   A. Accessible
   B. Invariable
   C. Transportable
   D. Only a and b are correct

8. The resistance of a conductor at absolute zero (OK) is________________?

   A. zero almost
   B. infinite almost
   C. no prediction at all
   D. may increase or decrease

9. If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________?

   A. Boyles law
   B. Charles law
   C. Ideal gas law
   D. Avagadros law

10. Mach is the unit of measurement in stating the speed of a moving object in relation to__________?

    A. The speed of sound
    B. The speed of other object
    C. The speed of light
    D. The speed of air resistance

    Submitted by: Ghusharib Ur Rehman