State three uses of the vernier callipers.
What do you mean by zero error of a screw gauge? How is it accounted for?
The size of bacteria is 1 µ. Find the number of bacteria present in 1 m length.
The wavelength of light of a particular colour is 5800 Å.Express it in metre.
The wavelength of light is 589 nm. what is its wavelength in Å?
The wavelength of light of a particular colour is 5800 Å.Express it in nanometre
Define the least count of vernier callipers. How do you determine it?
What is meant by zero error of vernier callipers ? How is it determined? Draw neat diagrams to explain it. How is it taken in account to get the correct measurement?