Advertisements
Advertisements
प्रश्न
Is there any difference in the following measurements?
(a) 51.7 cm
(b) 51.70 cm
(c) 51.700 cm.
Explain your answer.
Which measurement is most accurate?
उत्तर
Basically there is no difference between the quantity being measured but there is a difference of significant figures in the measurement.
(a). Number of significant figures = 3
(b). Number of significant figures = 4
(c). Number of significant figures = 5
Since (c) part has the maximum number of significant figures = 5, therefore it is most accurate among the given three.
APPEARS IN
संबंधित प्रश्न
A stopwatch has 10 divisions graduated between the 0 and 5 s marks. What is its least count?
Define the term amplitude.
A seconds pendulum is taken to a place where acceleration due to the gravity falls to one-fourth. How is the time period of the pendulum affected, if at all? Give reasons. What will be its new time period?
Name the convenient unit you will use to measure:
distance between the two cities.
Name the most convenient unit of mass you will use to measure:
Mass of small amount of medicine.
Name the most convenient unit of mass you will use to measure:
The bag of sugar
Explain the method in steps to find the volume of an irregular solid with the help of a measuring cylinder.
Amongst the unit of volume which is most suitable for measuring:
Volume of a swimming tank
Which of the following measurement is most accurate?
