नांगरावर असलेली नौका तरंगांनी हादरत आहे ज्याचे क्रमागत तरंगशीर्ष 100 मीटर अंतरावर आहेत. हलणाऱ्या तरंगशीर्षचा तरंग वेग 25 ms-1 आहे. नौकेच्या दोलनची वारंवारता किती आहे?

This question was previously asked in
RRB ALP CBT I 29 Aug 2018 Shift 2 Official Paper
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  1. 100 हर्टझ
  2. 0.25 हर्टझ
  3. 625 हर्टझ
  4. 25 हर्टझ

Answer (Detailed Solution Below)

Option 2 : 0.25 हर्टझ
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Detailed Solution

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गणना:

दिलेले: v = 25 मी/से 

क्रमागत तरंगशीर्षमधील अंतराला तरंगाची तरंगलांबी म्हणतात जी 100 मी दिली आहे.

⇒ λ = 100 मी

आपल्याला माहिती आहे,

v = f λ 

⇒ 25 = f × 100

⇒ f = 0.25 हर्टझ

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