Mathematics · Waves
दो प्रगामी तरंगें एक अप्रगामी तरंग उत्पन्न करती हैं जो समीकरण y = (1.0 mm) cos(1.57 cm-1 x) sin(78.5 s-1 t) द्वारा प्रदर्शित होती है। क्षेत्र x > 0 में मूल बिंदु के सबसे निकट स्थित निस्पंद (node) का स्थान x = पर होगा:
- 12.0 सेमी
- 21.5 सेमी
- 31.0 सेमी✓
- 40.5 सेमी
सही उत्तर देखें
1.0 सेमी
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