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प्रश्न
Name the most convenient unit of mass you will use to measure:
Mass of small amount of medicine.
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उत्तर
Microgram (μg)
Note: 1 microgram = 10−6 g = 10−9 kg
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संबंधित प्रश्न
The main scale of a vernier callipers is calibrated in mm and 19 divisions of main scale are equal in length to 20 divisions of the vernier scale. In measuring the diameter of a cylinder by this instrument, the main scale reads 35 divisions and 4th division of vernier scale coincides with a main scale division. Find
(i) Least count and (ii) Radius of a cylinder.
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How does the time period (T) of a simple pendulum depend on its length (l)? Draw a graph showing the variation of T2 with l. How will you use this graph to determine the value of g (acceleration due to gravity)?
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Amongst the unit of volume which is most suitable for measuring:
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