Question

The siren of an ambulance needs to be a loud and piercing sound. Therefore, its main characteristics should be:

• A. high pitch and large amplitude
• B. low pitch and large amplitude
• C. high pitch and small amplitude
• D. low pitch and small amplitude

Answer 1

The correct option is A high pitch and large amplitude

For loud and piercing sound the siren needs to be high pitch and large amplitude An ambulance needs to be loud and piercing sound to give warnings on road. Sirens were created to notify drivers to give way to the ambulance as an emergency is waiving.

Option A is correct answer.