To reduce the uncertainty in the timing experiment______________?

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. 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

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 core of a transformer is laminated to reduce energy losses due to__________?

   A. Eddy currents
   B. Hysteresis
   C. Resistance in winding
   D. None of these

   Submitted by: Tauseef Ali

6. 1024 can be written in scientific notation as______________?

   A. 1.024×103
   B. 2 Raised to power 10
   C. 0.000976
   D. 1/0.00097

7. 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

8. Which equation is not dimensionally correct ?

   A. E=mc2
   B. Vf=Vi+at
   C. S=Vt2
   D. S=1/2at2

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

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

10. The number 76.85 is rounded off up to two significant figures as_____________?

    A. 76.8
    B. 77
    C. 76.9
    D. None of these