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Grade: 11
        Suppose the glass of the previous problem is covered by a jar and the air inside the jar is completely pumped out. (a) What will be the answers to the problem? (b) Show that the answers do not change if a glass of different shape is used provided the height, the bottom area and the volume are unchanged. 
5 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
							Sol. 5. If the glass will be covered by a jar and the air is pumped out, the atmospheric pressure has no effect.
So,
a) Force exerted on the bottom.
= (h ρwg) × A
b) mg = h × ρw× g × A × Fs.
c) It glass of different shape is used provided the volume, height and area remain same, no change in
answer will occur.

						
5 years ago
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Course Features

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  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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