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Name the instrument which has the least count
1 mm
A microscope has its main scale with 20 divisions in 1 cm and vernier scale with 25 divisions, the length of which is equal to the length of 24 divisions of main scale. The least count of microscope is
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.
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.
How does the time period (T) of a simple pendulum depend on its length (l)? Draw a graph showing the variation of T2 with l. How will you use this graph to determine the value of g (acceleration due to gravity)?
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
Amongst the unit of volume which is most suitable for measuring:
Volume of a glass filled with milk
The size of bacteria is 2 μ.. Find the number of bacteria in 3 m length.