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1
answer
answer selected
2 hours
ago
in
Physics
|
2
views
A ray of light strikes from a medium $(n = 1.67)$ on a surface of separation with the air $(n = 1)$. It calculates the limit or critical angle.
refraction
light
incidence
critical-angle
angle
laser
beam
1
answer
answered
3 hours
ago
in
Physics
|
2
views
What must be the angle of incidence for there to be total internal reflection of a ray going from water $(n_w = 1.3)$ to glass $( n_g = 1.52)$?
critical-angle
incidence
refraction
light
angle
laser
beam
1
answer
answered
4 hours
ago
in
Physics
|
2
views
What is the formula for predicting the critical angle (angle of incidence that provides an angle of refraction of 90-degrees)?
refraction
angle
critical-angle
incidence
beam
laser
internal
1
answer
answer selected
5 hours
ago
in
Physics
|
43
views
A light beam hits glass (refractive index = 1.52) at an angle of incidence of ${48}^{\circ}$. What is the angle of refraction?
angle
laser
incidence
beam
refraction
critical-angle
1
answer
answer selected
5 hours
ago
in
Physics
|
64
views
A light ray passes from glass to air. The angle of incidence is 35°. The critical angle of glass is 38°. The light ray will undergo …
incidence
refraction
light
critical-angle
1
answer
answer selected
5 hours
ago
in
Physics
|
114
views
The path of a light ray passing from air through a rectangular Perspex block is shown below. The magnitude of angle θ will be …
angle
light
refraction
incidence
1
answer
answer selected
6 hours
ago
in
Physics
|
52
views
What is the critical angle for light travelling from air to acetone?
light
angle
critical
acetone
critical-angle
1
answer
answer selected
6 hours
ago
in
Biology
|
128
views
Which structures in the eye are responsible for the refraction of light?
refraction
light
eye
parts
critical-angle
1
answer
answer selected
6 hours
ago
in
Biology
|
83
views
Which part of the eye prevents internal reflection of light?
reflection
internal
light
eye
part
critical-angle
1
answer
answer selected
6 hours
ago
in
Physics
|
69
views
Explain what total internal reflection is and how it is used in medicine and telecommunications. Why is this technology much better to use?
total
internal
reflection
light
technology
critical-angle
1
answer
answer selected
6 hours
ago
in
Physics
|
34
views
What condition/s is necessary for total internal reflection to take place?
internal
total
reflection
physics
wave
critical-angle
1
answer
answer selected
6 hours
ago
in
Physics
|
30
views
What is total internal reflection?
internal
total
reflection
physics
wave
critical-angle
1
answer
answer selected
11 hours
ago
in
Data Science
|
30
views
What are Artificial Neural Networks?
artificial
neural
networks
1
answer
answer selected
12 hours
ago
in
Data Science
|
4
views
Are there platforms where one can do A/B testing online?
platforms
a-b
testing
online
1
answer
answer selected
16 hours
ago
in
Biology
|
7
views
Why are plant and animal cells specialized?
plants
animals
cells
1
answer
answer selected
21 hours
ago
in
Data Science
|
2
views
What does Big Data mean to you?
big
data
mean
1
answer
answered
21 hours
ago
in
Mathematics
|
4
views
how to add integers
grade-8
add
integers
numbers
1
answer
answer edited
21 hours
ago
in
General Knowledge
|
1
view
How many campuses does TUT have ?
campuses
tut
tshwane
university
technology
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What should a company do differently after they are hacked?
company
hacked
strategy
learning
hack
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Why does big data matter?
big
data
matter
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
How can organizations perform well at Big data analytics and IT optimization?
organizations
perform
big
data
analytics
it
optimization
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What are Data lakes, data swamps, and big data storage?
data
lakes
swamps
big
storage
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is a hybrid cloud?
hybrid
cloud
data
big
storage
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What are Linux containers?
linux
containers
data
big
storage
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is data storage?
data
storage
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is the history of data storage devices?
history
data
storage
devices
big
lakes
swamps
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What are the different data storage types?
different
data
storage
types
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is cloud data storage?
cloud
data
storage
software-defined
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is network-attached data storage?
network-attached
data
storage
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is Object data storage?
object
data
storage
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is file data storage?
file
data
storage
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is block data storage?
block
data
storage
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
How do I learn to use Redhat storage?
learn
redhat
storage
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is Red Hat?
storage
red
hat
data
big
cloud
software-defined
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Recommendation Analysis as a technique?
describe
recommendation
analysis
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Association Analysis as a technique?
describe
association
analysis
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
When are recommendation/association analysis methods useful in industry?
recommendation
association
analysis
methods
industry
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Classification Analysis as a technique?
describe
classification
analysis
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Clustering Analysis as a technique?
describe
clustering
analysis
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Deep Learning as a technique?
describe
deep
learning
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Natural Language Processing (NLP) as a technique?
describe
natural
language
processing
nlp
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Neural Networks as a technique?
describe
neural
networks
technique
analysis
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Predictive Analysis techniques?
describe
neural
networks
techniques
predictive
analysis
1
answer
answered
22 hours
ago
in
Data Science
|
4
views
Can you describe Regression Analysis techniques?
describe
regression
analysis
techniques
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Reinforcement Learning as a technique?
describe
reinforcement
learning
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Can you describe Anomaly Detection as a technique?
describe
anomaly
detection
technique
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What is Software-defined data storage?
software-defined
data
storage
big
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
Why is it important to assess the analytical maturity of an organization?
assess
analytical
maturity
organization
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What are the dimensions of the TDWI Analytics Assessment?
dimensions
tdwi
analytics
assessment
1
answer
answered
22 hours
ago
in
Data Science
|
2
views
What are the pros and cons of a centralized data science team?
centralized
data
science
team