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संबंधित प्रश्न
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.
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 most convenient unit of mass you will use to measure:
Mass of small amount of medicine.
Name the most convenient unit of mass you will use to measure:
The grain output of a state
What do you understand by the term degree of accuracy?
Amongst the unit of volume which is most suitable for measuring:
Volume of air in the room
Which of the following measurement is most accurate?
