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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
A stopwatch has 10 divisions graduated between the 0 and 5 s marks. What is its least count?
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 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:
The bag of sugar
Amongst the unit of volume which is most suitable for measuring:
Volume of air in the room
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?
