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प्रश्न
Explain the meaning of the term 'least count of an instrument' by taking a suitable example.
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उत्तर
The least count of an instrument is the smallest measurement that can be taken accurately with it. For example, if an ammeter has 5 divisions between the marks 0 and 1A, then its least count is 1/5 = 0.2 A or it can measure current up to the value 0.2 accurately.
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संबंधित प्रश्न
State or define the following term:
Year
Name three systems of unit and state various fundamental units in them.
Name three units of length which are bigger than a meter. How are they related to the meter?
Show how will you use the physical balance to measure the mass of an object.
Put the symbol in the box given below.
1000 g `square` 1 kg
Which of the following is correct?
One astronomical unit is equal to ______.
What are the features that we must give importance in measuring?
Match the following:
| 1. | Length | 1. | ampere (A) |
| 2. | time | 2. | Kelvin (K) |
| 3. | Mass | 3. | meter (M) |
| 4. | Temperature | 4. | second (S) |
| 5. | Electric current | 5. | kilogram (K) |
