9th Standard English Medium Science Subject Measurement Book Back 5 Mark Questions with Solution Part - II

9th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25
  1. Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 1015 m and Ezhilan argues that it is 9.46 × 1012 km. Who is right? Justify your answer.

  2. Find the thickness of a five rupee coin with the screw gauge, if the pitch scale reading is 1 mm and its head scale coincidence is 68.

  3. Explain a method to find the thickness of a hollow tea cup.

  4. Find out any ‘ten words’ related to measurement from the grid

  5. Calculate the diameter of the sphere which is shown in the Figure. Assume the scale has no zero error.

     

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