Revision Homework :
1. 1.4x10^(-7) has only
(a) two significant figure (b) three significant figure
(c) four significant figure (d) five significant figure
2. Using significant figures rules the value of (1100 m/s) / (10.2 m/s) is
(a) 107.8431373
(b) 107.843
(c) 107.84
(d) 108
3. If error in the measurement of the radius of a sphere is 2%. Then what will be the error
in measurement of the volume of the sphere.
(a) 6%
(b) 4%
(c) 2%
(d) None
4. A physical quantity P is related to four observations: a, b, c &d as follows: P=a^3b^2/c^1/2 d.
The percentage errors in the measurement in a, b, c & d are 1%, 3%, 4% & 2%
respectively. What is the percentage error in the quantity P?
(a) 10
(b) 11
(c) 09
(d) None
5. If a particle is moving on a circular path of radius r, then distance travelled by the
particle in one-fourth cycle is :
(a) 2 π r
(b) π r
(c) π r/2
(d) zero
Answers
Answer:
Revision Homework :
1. 1.4x10^(-7) has only
(a) two significant figure (b) three significant figure
(c) four significant figure (d) five significant figure
2. Using significant figures rules the value of (1100 m/s) / (10.2 m/s) is
(a) 107.8431373
(b) 107.843
(c) 107.84
(d) 108
3. If error in the measurement of the radius of a sphere is 2%. Then what will be the error
in measurement of the volume of the sphere.
(a) 6%
(b) 4%
(c) 2%
(d) None
4. A physical quantity P is related to four observations: a, b, c &d as follows: P=a^3b^2/c^1/2 d.
The percentage errors in the measurement in a, b, c & d are 1%, 3%, 4% & 2%
respectively. What is the percentage error in the quantity P?
(a) 10
(b) 11
(c) 09
(d) None
5. If a particle is moving on a circular path of radius r, then distance travelled by the
particle in one-fourth cycle is :
(a) 2 π r
(b) π r
(c) π r/2
(d) zero
Explanation:
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