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RRB NTPC 2025 · Question 366 of 409

Which of the following is the SI unit for sound intensity? co

  1. AMetre per second (m/s) . e s 2 a
  2. BWatt per square metre (W/m ) se l g
  3. CPascal (Pa) aCorrect
  4. DWatt (W)

Answer: C. Pascal (Pa) a

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Graduate CBT-1 response sheet 18-Jun-2025 Shift-2 (candidate-shared copy of official answer-key viewing) · official-answer-key

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