Physics · Surface Tension
10 सेमी लंबाई वाले दो सीधे समानांतर तारों के बीच साबुन के घोल की एक फिल्म बनती है, जिनके बीच की दूरी 0.5 सेमी है। यदि समानांतर बनाए रखते हुए उनके बीच की दूरी को 1 मिमी बढ़ा दिया जाए, तो कितना कार्य करना होगा? (घोल का पृष्ठ तनाव = 65 × 10-2 N/m)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15.76 × 10-5 J
- 22.88 × 10-5 J
- 31.30 × 10-4 J✓
- 47.22 × 10-6 J
सही उत्तर देखें
1.30 × 10-4 J
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