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Measurements Model Question Paper

8th Standard EM

    Reg.No. :
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Science

Time : 01:30:00 Hrs
Total Marks : 50
    4 x 1 = 4
  1. Which one the following system of units is the British System of unit?

    (a)

    CGS

    (b)

    MKS

    (c)

    FPS

    (d)

    SI

  2. SI unit of temperature is

    (a)

    celsius

    (b)

    fahrenheit

    (c)

    kelvin

    (d)

    ampere

  3. SI unit stands for

    (a)

    International system of units

    (b)

    Integrated System of units

    (c)

    International symbol of units

    (d)

    Integrated symbol of units

  4. Quantities other than base quantities are called as

    (a)

    supplementary quantities

    (b)

    derived quantities

    (c)

    professional quantities

    (d)

    energy quantities

  5. 4 x 1 = 4
  6. The solid angle is measured in _______.

    ()

    Steradian(Sr)

  7. _______ is used to measure electric current.

    ()

    Ammeter

  8. The intersection of two straight lines gives us_______.

    ()

    Plane angle

  9. The melting point of pure ice is ______

    ()

    OOC

  10. 5 x 1 = 5
  11. SI units are metric system of units.

    (a) True
    (b) False
  12. One coulomb of charge fl owing per minute is called ‘ampere’.

    (a) True
    (b) False
  13. Th e number 4.582 can be rounded off as 4.58.

    (a) True
    (b) False
  14. Heat given to a substance will increase its temperature

    (a) True
    (b) False
  15. Precision is the process of finding the solution by means of estimation

    (a) True
    (b) False
  16. 5 x 1 = 5
  17. Temperature

  18. (1)

    Angle formed by the intersection of three or more planes

  19. Solid Angle

  20. (2)

    Measure of hotness or coldness

  21. Precision

  22. (3)

    -243.2°C

  23. 30K

  24. (4)

    353K

  25. 80°C

  26. (5)

    Closeness to two or more measurements

    5 x 2 = 10
  27. What is the unit of mass in FPS system?

  28. What is the ‘Lower Fixed Point’ of the Fahrenheit scale?

  29. What is the value of Avogadro’s number? 

  30. How many hours are there in a minute?

  31. Name the metric systems of units.

  32. 4 x 3 = 12
  33. What is measurement?

  34. Define - ampere.

  35. Define - mole.

  36. What are errors?

  37. 2 x 5 = 10
  38. List out the base quantities with their units.

  39. Write a note on Greenwich Mean time (GMT) and Indian Standard Time (IST)

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