Physics · Units and Measurements
एक छात्र द्वारा 100 आवर्धन (magnification) वाले सूक्ष्मदर्शी का उपयोग करके एक धागे की मोटाई मापी जाती है। 30 प्रेक्षण करने के बाद, वह पाता है कि सूक्ष्मदर्शी के तहत धागे की औसत प्रेक्षित चौड़ाई 5.7 मिमी है। धागे की अनुमानित वास्तविक मोटाई क्या है?
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