Question

What is the range between 2 long graduations in spring balance?​

Answer 1

Answer:

1 st division = 0 to 10 g

No : of divisions between 10 grams = 20

Least count = First division ÷ No : of division

= 10 ÷ 20 = 0.5 g

Range = 0 - 100 gwt

Explanation:

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Answer 2

Answer:

Least count of a measuring instrument is the least value of physical quantity that can be measured accurately using the instrument.

For example,Take a spring balance whose range is 0-25kg. In this scale, you can see that the 1kg is divided into 10 equal parts. Therefore, the least value it can measure is 100g which can be found out by measuring 1kg and by counting the number of divisions, that the needle points upon weighing it., which will be 10 divisions.

Least count = 1kg/10  =0.1 kg/ div or 100 g / div is the least count of this instrument.