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]
- Kilowatt–hour is a unit of: [PMT/NEET-1991]
- Which of the following is not the unit of time? [PMT/NEET-1991]
- The equation $\left(P+\dfrac{a}{v^{2}}\right)(v-b)=\text{constant}$. The units of $a$ are: [PMT/NEET-1995]
- Which of the following is smallest unit? [PMT/NEET-1996]
- Unit of impulse is: [PMT/NEET-1997]
- The S.I. unit of gravitational potential is: [PMT/NEET-2000]
- Candela is the unit of: [PMT/NEET-2003]