Measurement and Measuring Instruments Book Back Questions

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 01:00:00 Hrs
Total Marks : 35
    4 x 1 = 4
  1. Rulers, measuring tapes and metre scales are used to measure

    (a)

    Mass

    (b)

    Weight

    (c)

    Time

    (d)

    Length

  2. 1 metric ton is equal to

    (a)

    100 quintals

    (b)

    10 quintals

    (c)

    1/10 quintals

    (d)

    1/100 quintals

  3. Distance between Chennai and Kanyakumari can be found in

    (a)

    Kilometres

    (b)

    Metres

    (c)

    Centimetres

    (d)

    Millimetres

  4. Which among the following is not a device to measure mass?

    (a)

    Spring balance

    (b)

    Beam balance

    (c)

    Physical balance

    (d)

    Digital balance

  5. 3 x 1 = 3
  6. Thickness of a cricket ball is measured by _______

    A PHP Error was encountered

    Severity: Warning

    Message: A non-numeric value encountered

    Filename: material/details.php

    Line Number: 1002

    ()

    Vernier Caliper

  7. Radius of a thin wire is measured by ________

    A PHP Error was encountered

    Severity: Warning

    Message: A non-numeric value encountered

    Filename: material/details.php

    Line Number: 1002

    ()

    Screw gauge

  8. A physical balance measures small differences in mass up to ______.

    A PHP Error was encountered

    Severity: Warning

    Message: A non-numeric value encountered

    Filename: material/details.php

    Line Number: 1002

    ()

    milligram

  9. 5 x 1 = 5
  10. Digital balance

  11. (1)

    Beam balance

  12. Temperature

  13. (2)

    Thermometer

  14. Mass

  15. (3)

    Gold ornaments

  16. Length

  17. (4)

    Ruler

  18. Time

  19. (5)

    Digital Clock

    3 x 2 = 6
  20. What is the full form of SI system?

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

  22. Convert: 104°F into Celsius scale.

  23. 3 x 3 = 9
  24. Write the need of a standard unit.

  25. What is the measuring unit of the thickness of a plastic carry bag?

  26. How will you measure the least count of vernier caliper?

  27. 1 x 5 = 5
  28. 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.

*****************************************

Reviews & Comments about 9th Standard Science Unit 1 Measurement and Measuring Instruments Book Back Questions

Write your Comment