Measurement and Measuring Instruments One Mark Questions

9th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 30
    10 x 1 = 10
  1. Choose the correct one

    (a)

    mm< cm < m < km

    (b)

    mm > cm > m > km

    (c)

    km < m < cm < mm

    (d)

    mm > m> cm> km

  2. Rulers, measuring tapes and metre scales are used to measure

    (a)

    Mass

    (b)

    Weight

    (c)

    Time

    (d)

    Length

  3. 1 metric ton is equal to

    (a)

    100 quintals

    (b)

    10 quintals

    (c)

    1/10 quintals

    (d)

    1/100 quintals

  4. Distance between Chennai and Kanyakumari can be found in

    (a)

    Kilometres

    (b)

    Metres

    (c)

    Centimetres

    (d)

    Millimetres

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

    (a)

    Spring balance

    (b)

    Beam balance

    (c)

    Physical balance

    (d)

    Digital balance

  6. ___________is the derived quantity.

    (a)

    Length

    (b)

    Volume

    (c)

    Mass

    (d)

    Time

  7. _________is not the unit of length.

    (a)

    Muzham

    (b)

    Furlong

    (c)

    Mile

    (d)

    Hour

  8. Unit of acceleration is________.

    (a)

    ms-2

    (b)

    ms-1

    (c)

    \(\frac{m}{s}\)

    (d)

    \(\frac{s}{m}\)

  9. The diameters of spherical objects are measured with a_________scale.

    (a)

    pitch

    (b)

    meter

    (c)

    head

    (d)

    vernier

  10. _________is the unit distance used to measure astronomical objects outside the solar system.

    (a)

    Parsec

    (b)

    km

    (c)

    cm

    (d)

    litre

  11. 10 x 1 = 10
  12. Metre is the unit of ________

    ()

    length

  13. 1 kg of rice is weighed by ______

    ()

    beam balance

  14. The thickness of a cricket ball is measured by _______

    ()

    Vernier Caliper

  15. The radius of a thin wire is measured by ________

    ()

    Screw gauge

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

    ()

    1 milligram

  17. The SI unit of volume is________.

    ()

    Cubic metre

  18. Least count of screw gauge__________.

    ()

    0.01 mm

  19. Least count of Vernier caliper is___________.

    ()

    0.01 cm

  20. Length, mass and time are called__________.

    ()

    Fundamental unit

  21. 1 Angstrom (A0)=__________m.

    ()

    10-10

  22. 5 x 1 = 5
  23. A physical balance is more sensitive than a beam balance as it can accurately measure even a very small mass, even milligram

    (a) True
    (b) False
  24. One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K

    (a) True
    (b) False
  25. Two pan balance is commonly used in provisions and grocery shops.

    (a) True
    (b) False
  26. Weight is the fundamental quantity.

    (a) True
    (b) False
  27. In screw gauge the plane surface of the screw and opposite plane are brought into contact. If the zero of the head scale lies above the pitch scale axis the zero error is positive.

    (a) True
    (b) False
  28. 5 x 1 = 5
  29. Temperature

  30. (1)

    Hooke's law

  31. Mass

  32. (2)

    Thermometre

  33. Least count of screw gauge

  34. (3)

    0.01 mm

  35. Spring balance

  36. (4)

    Matter

  37. Mass

  38. (5)

    Beam balance

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