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

Related Mcqs:

1. 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

2. Number of significant figures in 0.0173 is_________________?

   A. 3
   B. 4
   C. 5
   D. 2

3. The number of significant figures in 5.400 is________________?

   A. 3
   B. 5
   C. 2
   D. None

4. The number of significant figures in the length of a bar 6200mm measured by meter rod is_______________?

   A. 4
   B. 3
   C. 2
   D. None of these

5. The profile of aeroplane wing which lifts it up is called as_____________?

   A. Wing shape
   B. Aerofoil profile
   C. Curved profile
   D. None of these

6. In scientific notation, numbers are expressed in________________?

   A. Power of ten
   B. Powers of two
   C. Reciprocal
   D. Decimal

7. How many main frontiers of fundamental science ?

   A. 1
   B. 2
   C. 3
   D. 4

8. 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

9. Steradian is the SI unit of________________?

   A. Plane angle
   B. Solid angle
   C. Both plane angle and solid angle
   D. Neither plane angle nor solid angle

10. 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