1. 2. 3. Which is not an SI fundamental quantity? force a. b. mass Which is a derived quantity? electric current a. b. temperature The present definition of meter is in terms of the length of a stretched hand a. b. C. d. speed of light in a vacuum platinum iridium bar in Sevres, France wavelength of light from krypton atom C. d. C. d. temperature time time voltage

Inquiry into Physics
8th Edition
ISBN:9781337515863
Author:Ostdiek
Publisher:Ostdiek
Chapter9: Optics
Section: Chapter Questions
Problem 50Q
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Answer 1 to 15
1.
2.
3.
4.
5.
6.
7.
8.
Which is not an SI fundamental quantity?
force
a.
b.
mass
Which is a derived quantity?
electric current
temperature
a.
b.
The present
a.
length of a stretched hand
speed of light in a vacuum
platinum iridium bar in Sevres, France
wavelength of light from krypton atom
There is a move to redefine the mole in terms of.
b.
C.
d.
a.
b.
Which
a.
definition of meter is in terms of the
b.
Avogadro's number
Boltzmann constant
a.
C.
a.
b.
A density of 5400 kg/m³ is equal to
a.
5.4
b.
54
personal error
random error
d.
C.
d.
storage
16 Gbyte
16 kbyte
Uncontrolled changes in air pressure while determining the boiling point of a liquid give
rise to
device has the greatest storage capacity?
C.
d.
C.
Planck's constant
d. speed of light in a vacuum
temperature
time
C.
d.
time
voltage
C.
d.
C.
d.
16 Mbyte
16 Tbyte
g/cm³.
relative error
systematic error
540
5400
The radius and height of a cylinder were determined using the same measuring instrument.
When the volume of the cylinder is computed, which will likely contribute a
(volume of a cylinder = r²b)
greater
error?
height
b. radius
T
both height and radius
Transcribed Image Text:1. 2. 3. 4. 5. 6. 7. 8. Which is not an SI fundamental quantity? force a. b. mass Which is a derived quantity? electric current temperature a. b. The present a. length of a stretched hand speed of light in a vacuum platinum iridium bar in Sevres, France wavelength of light from krypton atom There is a move to redefine the mole in terms of. b. C. d. a. b. Which a. definition of meter is in terms of the b. Avogadro's number Boltzmann constant a. C. a. b. A density of 5400 kg/m³ is equal to a. 5.4 b. 54 personal error random error d. C. d. storage 16 Gbyte 16 kbyte Uncontrolled changes in air pressure while determining the boiling point of a liquid give rise to device has the greatest storage capacity? C. d. C. Planck's constant d. speed of light in a vacuum temperature time C. d. time voltage C. d. C. d. 16 Mbyte 16 Tbyte g/cm³. relative error systematic error 540 5400 The radius and height of a cylinder were determined using the same measuring instrument. When the volume of the cylinder is computed, which will likely contribute a (volume of a cylinder = r²b) greater error? height b. radius T both height and radius
10.
11.
12.
13.
9.
14.
15.
a.
C.
standard deviation
a.
mean
uncertainty
b.
relative error
The only fundamental quantity that is defined based on a humanmade object is
length
temperature
mass
b.
The square root of the variance is the
a.
d.
b.
A leap second was added on June 30, 2015, because
Earth's rotational speed about its axis is increasing. In effect, the solar time is ahead of
the time indicated by the standard cesium clocks.
a.
b.
C.
d.
C.
d.
Earth's rotational speed about its axis is decreasing. In effect, the solar time is ahead of
the time indicated by the standard cesium clocks.
Earth's rotational speed about its axis is decreasing. In effect, the solar time is delayed
with respect to the time indicated by the standard cesium clocks.
Which statement is not true?
Earth's rotational speed about its axis is increasing. In effect, the solar time is delayed
with respect to the time indicated the standard cesium clocks.
dependent variable
Which prefix corresponds to 10-¹5?
time
a. Precise measurements are always accurate.
b. Accurate measurements are always precise.
Precise measurements can be inaccurate.
C.
d. Inaccurate measurements can be precise.
What represents the uncertainties in the data presented in a graph?
error bar
slope
y-intercept
a. atto-
b.
C.
d.
C.
d.
nano-
femto-
pico-
The radius of a sphere is (5.000.05) cm. What is the relative uncertainty when its volume
4
is computed? (volume of a sphere ==Tr³, where r is the radius)
3
a. 1%
C.
b.
3%
d.
5%
15%
Transcribed Image Text:10. 11. 12. 13. 9. 14. 15. a. C. standard deviation a. mean uncertainty b. relative error The only fundamental quantity that is defined based on a humanmade object is length temperature mass b. The square root of the variance is the a. d. b. A leap second was added on June 30, 2015, because Earth's rotational speed about its axis is increasing. In effect, the solar time is ahead of the time indicated by the standard cesium clocks. a. b. C. d. C. d. Earth's rotational speed about its axis is decreasing. In effect, the solar time is ahead of the time indicated by the standard cesium clocks. Earth's rotational speed about its axis is decreasing. In effect, the solar time is delayed with respect to the time indicated by the standard cesium clocks. Which statement is not true? Earth's rotational speed about its axis is increasing. In effect, the solar time is delayed with respect to the time indicated the standard cesium clocks. dependent variable Which prefix corresponds to 10-¹5? time a. Precise measurements are always accurate. b. Accurate measurements are always precise. Precise measurements can be inaccurate. C. d. Inaccurate measurements can be precise. What represents the uncertainties in the data presented in a graph? error bar slope y-intercept a. atto- b. C. d. C. d. nano- femto- pico- The radius of a sphere is (5.000.05) cm. What is the relative uncertainty when its volume 4 is computed? (volume of a sphere ==Tr³, where r is the radius) 3 a. 1% C. b. 3% d. 5% 15%
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