Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels.

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Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. Answer: 120

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.