Advertisements
Advertisements
प्रश्न
Name the convenient unit you will use to measure:
diameter of hair
Advertisements
उत्तर
Micrometre (µm)
APPEARS IN
संबंधित प्रश्न
A stopwatch has 10 divisions graduated between the 0 and 5 s marks. What is its least count?
A microscope is provided with a main scale graduated with 20 divisions in 1 cm and a vernier scale with 50 division on it of length same as of 49 divisions of main scale. Find the least count of the microscope.
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.
Two simple pendulums A and B have equal lengths, but their bobs weigh 50 gf and 100 gf, respectively. What would be the ratio of their time periods? Give reasons for your answer.
What do you understand by the term degree of accuracy?
Amongst the unit of volume which is most suitable for measuring:
Volume of a glass filled with milk
