Question

What is the maximum level of background noise allowed in the classroom?

• A. ( 35 , dB)
• B. ( 60 , text{dB )
• C. ( 20 , dB)
• D. ( 10 , dB)

Hint:

Classrooms should ideally have a background noise level not exceeding 35 dB to facilitate better communication and concentration.

Answer 1

The Correct Option is A

In a classroom, the background noise level is crucial for ensuring that students can focus and hear the teacher clearly. Excessive noise can create distractions and reduce the effectiveness of teaching.
According to the National Building Code of India (NBC), the recommended noise level for classrooms should not exceed 35 dB. This level of sound is considered to be low enough to maintain a quiet environment, where the teacher’s voice can be clearly heard without strain. Background noise above this level can be disruptive to learning and communication.
Noise levels in classrooms are often influenced by external factors such as street traffic, mechanical equipment, and poor insulation. Therefore, ensuring that the noise level stays within the prescribed limit is essential for creating a conducive learning environment.