What is the correct number of significant figures in
Four
Seven
Eight
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(a) If the number is less than 1 , the zero(s) on the right of decimal point but to the left of the first non-zero digit are not significant.
Number of significant figures in expression is
2
4
3
5
(c) In multiplication or division the final result should return as many significant figures as there are in the original number with the least significant figures.
The respective number of significant figures for the number and are respectively.
5, 1 and 2
5, 5 and 2
5, 1 and 5
4,4 and 2
(a) Number of significant figures in
Number of significant figures in
The value of resistance is and the value of current is . The potential difference is 35.02935 volt. Its value in significant number would be
(b) The significant number in the potential, ; should be the minimum of either or . So corresponding to , we have only three significant numbers in . Thus the result is .
II. 0.004289 has seven singificant figures.
III. 125000 has three significant figures.
IV. 9.0042 has five significant figures.
I only
I, III and IV
II only
II, III and IV
The number of significant figures in a number " 1700.00200 " is
7
9
10
(c) The trailing zero(s) in a number with a decimal point are significant.
If , then
(a)
Since minimum significant figure is 2 .
The length of one rod and the other is . Both rods were measured with one measuring instrument with least count Then is
None of these
(c)
The area of a square is . The area of 7 such squares taking into account the significant figures is:
(d)
The result should have three significant figures, so
Temperature can be expressed as derived quantity in terms of
length and mass
mass and time
length, mass and time
(d) Temperature is one of the basic physical quantities.
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