Match List I with List II.
| List I | List II | ||
|---|---|---|---|
| (Quantity) | (SI unit) | ||
| A. | Length | I. | Joule |
| B. | Electric current | II. | Newton |
| C. | Force | III. | Ampere |
| D. | Energy | IV. | Metre |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → A-IV, B-III, C-II, D-I
Each quantity has one SI unit; the derived units are named after scientists.
A. Length — this matches IV. Metre. The metre is one of the seven base units of the SI.
B. Electric current — this matches III. Ampere. The ampere is also a base unit, named after Andre-Marie Ampere.
C. Force — this matches II. Newton. One newton is the force that gives a mass of 1 kg an acceleration of 1 m/s2.
D. Energy — this matches I. Joule. One joule is the work done when a force of 1 newton moves its point of application through 1 metre.