Advertisements
Advertisements
Question
Name the convenient unit you will use to measure:
diameter of hair
Advertisements
Solution
Micrometre (µm)
APPEARS IN
RELATED QUESTIONS
A vernier has 10 divisions and they are equal to 9 divisions of the main scale in length. If the main scale is calibrated in mm, what is its least count?
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.
What do you understand by amplitude of simple pendulum?
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?
Name the convenient unit you will use to measure:
length of a hall
Name the convenient unit you will use to measure:
width of a book
Amongst the unit of volume which is most suitable for measuring:
Volume of an exercise book
Which of the following measurement is most accurate?
