Question

Noise levels can be measured by an instrument called ___ .

• A. Anemometer
• B. Sound level meter
• C. High volume air sampler
• D. Wind vane

Hint:

When assessing noise pollution, a sound level meter is essential for accurately measuring decibel levels.

Answer 1

The Correct Option is B

Noise levels are typically measured using a **sound level meter**. This instrument measures the intensity of sound in decibels (dB) and is widely used for assessing environmental noise pollution.