1. The standard of length is based on:
 A. the distance from the north pole to the equator along a meridian passing through Paris
 B. wavelength of light emitted by Hg198
 C. wavelength of light emitted by Kr86
 D. a precision meter stick in Paris
 E. the speed of light

2. The SI base unit for mass is:
 A. gram
 B. pound
 C. kilogram
 D. ounce
 E. kilopound

3. 5.0 X 104 X 3.0 X 106 =
 A. 1.5 X 10–3
 B. 1.5 X 10–1
 C. 1.5 X 101
 D. 1.5 X 103
 E. 1.5 X 105

4. The number of significant figures in 0.00150 is:
 A. 2
 B. 3
 C. 4
 D. 5
 E. 6

5. 3.2 X 2.7 =
 A. 9
 B. 8
 C. 8.6
 D. 8.64
 E. 8.64

6. During a short interval of time the velocity v in m/s of an automobile is given by v = at2 + bt3, where the time t is in seconds. The units of a and b are respectively:
 A. m×s2; m×s4
 B. s3/m; s4/m
 C. m/s2; m/s3
 D. m/s3; m/s4
 E. m/s4; m/s5

7. Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T1, and C has dimensions LT2. Then the exponents n and m have the values:
 A. 2/3; 1/3
 B. 2; 3
 C. 4/5; –1/5
 D. 1/5; 3/5
 E. 1/2; 1/2

8. A gram is:
 A. 10–6 kg
 B. 10–3 kg
 C. 1 kg
 D. 103 kg
 E. 106 kg

9. Which of the following is closest to your mass?
 A. 0.06 kg
 B. 0.6 kg
 C. 6 kg
 D. 60 kg
 E. 600 kg

10. The number of significant figures in 15.0 is:
 A. 1
 B. 2
 C. 3
 D. 4
 E. 5

11. A sphere with a radius of 1.7 cm has a volume of:
 A. 2.1 X 10–5 m3
 B. 9.1 X 10–4 m3
 C. 3.6 X 10–3 m3
 D. 0.11 m3
 E. 21 m3

12. Suppose A = BC, where A has the dimensions L/M and C has the dimensions L/T. Then B has dimension:
 A. T/M
 B. L2/TM
 C. TM/L2
 D. L2T/M
 E. M/L2T This is the end of the test. When you have completed all the questions and reviewed your answers, press the button below to grade the test.