TNPSC Group 2 · 2015 Preliminary Examination
101.
Match the following:
Technology
Scientific Principles
(a) Aeroplane
1. Newton's Law
(b) Air Balloon
2. Bernoulli's Principle
(c) Rocket
3. Law of thermodynamics
(d) Steam Engine
4. Buoyant Force
| Technology | Scientific Principles |
|---|---|
| (a) Aeroplane | 1. Newton's Law |
| (b) Air Balloon | 2. Bernoulli's Principle |
| (c) Rocket | 3. Law of thermodynamics |
| (d) Steam Engine | 4. Buoyant Force |
Answer:
D.
2 4 1 3