पृथ्वी की सतह पर अंशांकित एक पेंडुलम घड़ी चंद्रमा की सतह पर ____________ पढ़ेगी। (चंद्रमा पर गुरुत्वाकर्षण के कारण त्वरण पृथ्वी पर 1/6 है)

This question was previously asked in
ISRO VSSC Technical Assistant Mechanical 9 June 2019 Official Paper
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  1. समान रूप से
  2. \(\sqrt {6}\) गुना तेज
  3. \(\sqrt {6}\) गुना धीमा
  4. 6 गुना तेज

Answer (Detailed Solution Below)

Option 3 : \(\sqrt {6}\) गुना धीमा
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Detailed Solution

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अवधारणा:

\(Time~ Period= T =2\pi √{\frac Lg}\)

जहाँ L = पेंडुलम की लंबाई, g = गुरुत्वाकर्षण के कारण त्वरण

गणना:

दिया हुआ:

चन्द्रमा पर

\(g'=\frac g6\)

जहाँ g' = चन्द्रमा पर गुरुत्वाकर्षण के कारण त्वरण

\(New~Time~ Period= T' =2\pi √ {\frac L{g'}}=2\pi √ {\frac {6L}g}\)

\(T'=√ {6}T\)

जैसे कि दोलन की समयावधि √6 गुना बढ़ती है, इसलिए गति √6 गुना धीमी हो जाती है।

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