Practice Quiz 1

Choose the best answer

  1. The standards for the SI system of units are kept in
    1. France
    2. United states of America
    3. England
    4. Germany
    Answer: A

  2. 2 cm means
    1. 2e-2 m
    2. 2e-3 m
    3. 2e-1 m
    4. 2e2 m
    Answer: A

  3. Which of the following is a derived unit?
    1. unit of temperature
    2. unit of length
    3. unit of current
    4. unit of density
    Answer: D

  4. The sum of two or more significant figures
    1. should have the same number of significant
      digits as as the significant figure with the
      highest number of decimal places.
    2. should have the same number of decimal places as
      as the significant figure with the least number of decimal places.
    3. should have the same number of decimal places as
      as the significant figure with the highest
      number of decimal places.
    4. should have the same number of significant
      digits as as the significant figure with the
      least number of decimal places.
    Answer: B

  5. How many significant digits are there in the
    significant figure 0.000756
    1. 7
    2. 6
    3. 1
    4. 3
    Answer: D

  6. How many significant digits are there in the
    significant figure 700200
    1. 2
    2. 1
    3. 4
    4. 6
    Answer: C

  7. How many significant digits are there in the
    significant figure 0.00450020
    1. 3
    2. 5
    3. 8
    4. 6
    Answer: D

  8. The number of significant digits in the
    significant figures 0.000500, 600100, and 0.0004020
    respectively are
    1. 3, 4, and 4
    2. 1, 6, and 3
    3. 3, 4, and 2
    4. 1, 4, and 4
    Answer: A

  9. The sum of the significant figures 3.12, 4.567
    and 34.1 gives the significant figure
    1. 42
    2. 41.8
    3. 41.787
    4. 41.7
    Answer: B

  10. The product of the significant figures 23, 40
    and 12 gives the significant figure
    1. 11000
    2. 20000
    3. 11040
    4. 10000
    Answer: D

  11. Express 453.5 in standard notation
    1. 4.535e-3
    2. 4.535e2
    3. 4.535e3
    4. 4.535e-2
    Answer: B

  12. Express 0.5 in standard notation
    1. 5e-1
    2. 0.5
    3. 0.5e0
    4. 5e1
    Answer: A