Measurement and Measuring Instruments Two Marks Questions

9th Standard

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20
  1. Define measurement

  2. Define least count of any device

  3. What do you know about pitch of screw gauge?

  4. Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

  5. Convert : 300 K into Celsius scale,

  6. Convert : 104°F in to Celsius scale.

  7. What is the least count of your wrist watch?

  8. Calculate the correct readings of the Vernier caliper L.C. 0.01 em Zero correction - Nil.

    S.No. M.S.R V.C Observed Reading = M.S.R + (V.C x L.C) Correct Reading
    1 3 4    
    2 3 7    
  9. Complete the table:

    Power of 10 Prefix Symbol
    1012 ___(i)___ T
    ___(ii)___ Kilo K
    1015 Peta ___(iii)__
    109 ___(iv)__ ___(v)__
  10. Define length.

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