6. What kind of photometer is less appropri for practical use in VT? a) visual b) with digital display of measured values c) equipped with spectral filter d) luxmeter 7. What statement is true for color rendering index? a) It indicates the degree of faithfulness of color rendering when observed under given lighting b) Have to be very high (above 85%) c) differences disappear between colors if is small d) A, B and C are correct 8. Continuity of emitted spectrum affects: a) color rendering b) eye fatigue c) result of visual inspection d) all above is correct 9. What units are used to measure illumination intensity? a) candela [cd] b) lux [lx] c) foot-candle [fc] d) B and C are correct
6. What kind of photometer is less appropri for practical use in VT? a) visual b) with digital display of measured values c) equipped with spectral filter d) luxmeter 7. What statement is true for color rendering index? a) It indicates the degree of faithfulness of color rendering when observed under given lighting b) Have to be very high (above 85%) c) differences disappear between colors if is small d) A, B and C are correct 8. Continuity of emitted spectrum affects: a) color rendering b) eye fatigue c) result of visual inspection d) all above is correct 9. What units are used to measure illumination intensity? a) candela [cd] b) lux [lx] c) foot-candle [fc] d) B and C are correct
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
![6. What kind of photometer is less appropria
for practical use in VT?
a) visual
b) with digital display of measured values
e) equipped with spectral filter
d) luxmeter
7. What statement is true for color
rendering
index?
a) It indicates the degree of faithfulness of
color rendering when observed under
given lighting
b) Have to be very high (above 85%)
c) differences disappear between colors if
is small
d) A, B and C are correct
8. Continuity of emitted spectrum affects:
a) color rendering
b) eye fatigue
c) result of visual inspection
d) all above is correct
9. What units are used to measure illumination
intensity?
a) candela [cd]
b)
lux [lx]
c) foot-candle [fc]
d) B and C are correct
of
10. Surface is illuminated by a point source
luminosity 100 Cd from the distance of 1m.
How can we increase the intensity of surface
illumination?
a) bringing the source closer to the surface
(at a distance of 0,8 m)
b) focusing of lighting (use parabolic
mirrors around a spot source)
c) using source
with higher
luminous
intensity
d) A, B and C are correct](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff674b3bc-0b59-4961-aa09-963bc91eeaee%2Fa472221d-e1ab-49e3-9dde-231c2cfe1742%2F719fxj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6. What kind of photometer is less appropria
for practical use in VT?
a) visual
b) with digital display of measured values
e) equipped with spectral filter
d) luxmeter
7. What statement is true for color
rendering
index?
a) It indicates the degree of faithfulness of
color rendering when observed under
given lighting
b) Have to be very high (above 85%)
c) differences disappear between colors if
is small
d) A, B and C are correct
8. Continuity of emitted spectrum affects:
a) color rendering
b) eye fatigue
c) result of visual inspection
d) all above is correct
9. What units are used to measure illumination
intensity?
a) candela [cd]
b)
lux [lx]
c) foot-candle [fc]
d) B and C are correct
of
10. Surface is illuminated by a point source
luminosity 100 Cd from the distance of 1m.
How can we increase the intensity of surface
illumination?
a) bringing the source closer to the surface
(at a distance of 0,8 m)
b) focusing of lighting (use parabolic
mirrors around a spot source)
c) using source
with higher
luminous
intensity
d) A, B and C are correct
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