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प्रश्न
Name the convenient unit you will use to measure:
diameter of hair
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उत्तर
Micrometre (µm)
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संबंधित प्रश्न
Name the instrument which has the least count
1 mm
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.
Name two factors on which the time period of a simple pendulum depends. Write the relation for the time period in terms of the above named factors.
State the numerical value of the frequency of oscillation of a second's pendulum. Does it depend on the amplitude of oscillations?
A body measures 25 m. State the unit and the magnitude of the unit in the statement.
What do you understand by the term degree of accuracy?
Amongst the unit of volume which is most suitable for measuring:
Volume of a swimming tank
