Question

9. What is basis? se passe unit the
0. What is meant by parallax angle?
1. Which are the shorter units of length? Express ther
in meters.
2. Name the larger units of length.
3. What is meant by light year?
4. Define unified atomic unit.
5. Which is the instrument used to measure sma
masses like atom?
6. What is the basis of working of cesium clock
atomic clock?
3
ma​

Answer 1

sorry for disturbing

mark my answer as brainliest