स्तंभ-I स्तंभ-II A. मानवांमधील ऐकण्यायोग्य श्रेणी P. 20,000 Hz पेक्षा जास्त B. अल्ट्रासोनिक तरंग Q. 20 Hz - 20,000 Hz C. इन्फ्रासोनिक तरंग R. 1498 m/s D. पाण्यात (स्वच्छ) ध्वनीचा वेग S. 343.2m/s E. हवेतील ध्वनीचा वेग T. 20 Hz पेक्षा कमी
A) A-Q; B-P; C-T; D-S; E-R
B) A-Q; B-P; C-T; D-R; E-S
C) A-P; B-Q; C-T; D-R; E-S
D) A-Q; B-T; C-P; D-R; E-S
योग्य उत्तर: B
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