Computer · Building Materials
एक ध्वनि-अवशोषक सामग्री की प्रभावशीलता को मुख्य रूप से किसके द्वारा मापा जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1तापीय प्रतिरोध
- 2प्रसार गुणांक
- 3एनआरसी (Noise Reduction Coefficient)✓
- 4जल अवशोषण
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एनआरसी (Noise Reduction Coefficient)
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