Anukruti posted an Question
July 12, 2020 • 04:34 am 30 points
  • IIT JAM
  • Geology (GG)

What is the depth of an ocean if the density of the oceanic crust is 2.9gm/cm3 and density of continental crust is 2.6gm/cm3?density of water is 1gm/cm3.

2 Answer(s) Answer Now
  • 1 Likes
  • 5 Comments
  • 0 Shares
  • comment-profile-img>
    Rahul kumar

    I have computed the thickness of oceanic crust. (35-thickness of oceanic crust) will be the answer for this question

  • comment-profile-img>
    Rahul kumar Best Answer

    Yes Anukriti. The solution is correct. In the question it is asking for the depth of ocean which will be (35-29.47 = 5.5km), which is the answer.

    eduncle-logo-app

    No worry. Please mark the question as answered

    eduncle-logo-app

    yes sir.i have given best answer.

  • comment-profile-img>
    Rahul kumar

    Please see the attachment

    cropped2033001946042184814.jpg
    eduncle-logo-app

    sir answer is 5.21km

    eduncle-logo-app

    29.47km is not answer

    eduncle-logo-app

    sir kindly see this

    eduncle-logo-app

    please see this

    eduncle-logo-app

    Dear student. Your solution is same as of mine. I have taken the continental crust thickness (which isn't mention in the question) as 35 Kms and you have taken 33Kms. If I will take the thickness as 33Kms then my answer will also be same as of yours i.e. 5.21 Kms.

    eduncle-logo-app

    yes sir solution is correct.but at last 5.5km u did not mention.so i got panicked on seeing different answer.sorry sir.

  • comment-profile-img>
    Sajan sarthak

    i think few data is missing like thickness of oceanic crust below the water. if that data will be given it will exactly fit to the airy model compensation formula in isostasy model....i apologize i will see how it can be solved and reply tomorrow...or will tell if the question is insufficient of data..

    eduncle-logo-app

    ok sir.

    eduncle-logo-app

    sir is this ok??answer is different from last time..its 5.21km.

    eduncle-logo-app

    yes this can be an approach

    eduncle-logo-app

    do you know how that formula is derived

    eduncle-logo-app

    anukriti it's right if any problem in the formula i can show you how it is derived

    eduncle-logo-app

    no sir,i have no problem in derivation.i have understood that.

    eduncle-logo-app

    good your answer is perfect..feel free to ask for any query

    eduncle-logo-app

    ok sir done.

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers