Unit 1 - Physics and Measurement
- The main scale of a vernier calliper has $n$ divisions per cm. $n$ divisions of the vernier scale coincide with $(n-1)$ divisions of the main scale. [PMT/NEET-2019]
- In an experiment the percentage errors in the measurements of physical quantities A,B,C,D are 1 %$, 2 %, 3% and 4% respectively. [PMT/NEET-2019]
- A screw gauge has least count 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is: [PMT/NEET-2020]
