NDA2013General AbilityGeneral ScienceActual
The ceilings of a concert hall are generally curved
Options
- Abecause they reflect the sound to the audience
- Bbecause they can absorb noise
- Cto have better aeration in the hall
- Das any sound from outside cannot pass through a curved ceiling
Correct answer
A. because they reflect the sound to the audience
Step-by-step solution
The correct answer is Option 'A'.