5 m × 2 m × 1 m वस्तुमानाच्या टाकीमध्ये काठोकाठ भरलेल्या केरोसिनचे वस्तुमान (किलोमध्ये) शोधा. (केरोसिनची घनता 800 kg/m3 आहे)

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 2).
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  1. 12,500
  2. 800
  3. 8,000
  4. 1,250

Answer (Detailed Solution Below)

Option 3 : 8,000
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Detailed Solution

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संकल्पना:

वस्तुमान:

  • हे भौतिकशास्त्रातील मूलभूत राशींपैकी एक आहे आणि पदार्थाचा सर्वात मूलभूत गुणधर्म आहे.
  • हे वस्तुतील पदार्थाचे प्रमाण मोजण्यासाठीचे माप असे परिभाषित केले जाऊ शकते.
  • वस्तुमानाचे SI एकक किलोग्राम (kg) आहे.

घनता:

  • घनता म्हणजे सामग्री किती घट्ट बांधली जाते याचे मोजमाप आहे.
  • हे प्रति एकक घनफळ वस्तुमान म्हणून परिभाषित केले आहे.

गणितीयदृष्ट्या\(\rho=\frac{Mass}{Volume}\)

गणना:

दिलेल्याप्रमाणे:

टाकीचे आकारमान = 5 m × 2 m × 1 m, घनता (ρ) = 800 kg/m3

∵ \(\rho=\frac{Mass}{Volume}\)

⇒ \(800=\frac{M}{5~×~2~×~1}\)

⇒ वस्तुमान = 800 × 10 = 8000 किलो

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