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0
like
0
dislike
answered
4 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
0
like
0
dislike
answered
4 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
0
like
0
dislike
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
0
like
0
dislike
answered
21 hours
ago
in
Mathematics
|
4
views
how to add integers
grade-8
add
integers
numbers
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What does Big Data mean to you?
big
data
mean
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What should a company do differently after they are hacked?
company
hacked
strategy
learning
hack
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Why does big data matter?
big
data
matter
0
like
0
dislike
answered
23 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
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are Data lakes, data swamps, and big data storage?
data
lakes
swamps
big
storage
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is a hybrid cloud?
hybrid
cloud
data
big
storage
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are Linux containers?
linux
containers
data
big
storage
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is data storage?
data
storage
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is the history of data storage devices?
history
data
storage
devices
big
lakes
swamps
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are the different data storage types?
different
data
storage
types
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is cloud data storage?
cloud
data
storage
software-defined
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is network-attached data storage?
network-attached
data
storage
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is Object data storage?
object
data
storage
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is file data storage?
file
data
storage
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is block data storage?
block
data
storage
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
How do I learn to use Redhat storage?
learn
redhat
storage
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is Red Hat?
storage
red
hat
data
big
cloud
software-defined
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Recommendation Analysis as a technique?
describe
recommendation
analysis
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Association Analysis as a technique?
describe
association
analysis
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
When are recommendation/association analysis methods useful in industry?
recommendation
association
analysis
methods
industry
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Classification Analysis as a technique?
describe
classification
analysis
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Clustering Analysis as a technique?
describe
clustering
analysis
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Deep Learning as a technique?
describe
deep
learning
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Natural Language Processing (NLP) as a technique?
describe
natural
language
processing
nlp
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Neural Networks as a technique?
describe
neural
networks
technique
analysis
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Predictive Analysis techniques?
describe
neural
networks
techniques
predictive
analysis
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
4
views
Can you describe Regression Analysis techniques?
describe
regression
analysis
techniques
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Reinforcement Learning as a technique?
describe
reinforcement
learning
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Can you describe Anomaly Detection as a technique?
describe
anomaly
detection
technique
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is Software-defined data storage?
software-defined
data
storage
big
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
Why is it important to assess the analytical maturity of an organization?
assess
analytical
maturity
organization
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are the dimensions of the TDWI Analytics Assessment?
dimensions
tdwi
analytics
assessment
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are the pros and cons of a centralized data science team?
centralized
data
science
team
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are the pros and cons of a hybrid data science team?
pros
cons
hybrid
data
science
team
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are the pros and cons of a decentralized data science team?
pros
cons
decentralized
data
science
team
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What are some of the hats that a Data Science leader wears to ensure the team is functional?
hats
roles
data
science
leader
functional
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What is statistical significance ?
statistical
significance
data
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
4
views
Are there platforms where one can do A/B testing online?
platforms
a-b
testing
online
0
like
0
dislike
answered
23 hours
ago
in
Data Science
|
2
views
What does the acronym POPIA stand for?
acronym
popia
stand
data
protection
0
like
0
dislike
answered
1 day
ago
in
Physics
|
5
views
When comparing systematic and random errors, the following pairs of properties of errors in an experimental measurement may be contrasted:
systematic
random
error
measure
experimental
magnitude
0
like
0
dislike
answered
1 day
ago
in
Physics
|
5
views
In a simple electrical circuit, the current in a resistor is measured as $(2.50 \pm 0.05) mA$. The resistor is marked as having a value of $4.7\Omega \pm 2\%$
electrical
circuit
resistor
power
value
result
0
like
0
dislike
answered
1 day
ago
in
Biology
|
7
views
Why are plant and animal cells specialized?
plants
animals
cells
0
like
0
dislike
answered
1 day
ago
in
Physics
|
5
views
An Olympic athlete of mass $80kg$ competes in a race. What is the best estimate of his kinetic energy during the race?
olympic
athlete
mass
race
estimate
kinetic
energy
0
like
0
dislike
answered
1 day
ago
in
Physics
|
5
views
A metal sphere of radius $r$ is dropped into a tank of water. As it sinks at speed $v$, it experiences a drag force $F$ given by $F=krv$, where $k$ is a constant. What are the SI units of $k$?
metal
sphere
tank
water
speed
force
units
0
like
0
dislike
answered
1 day
ago
in
Physics
|
6
views
A student makes measurements from which she calculates the speed of sound as $327.66 ms^{-1}$. She estimates that her result is accurate to $\pm 3\%$.
speed
sound
estimate
accuracy
result
0
like
0
dislike
answered
1 day
ago
in
Physics
|
5
views
A micrometer reading to $0.01mm$, gives the following results when used to measure the diameter $d$ of a uniform wire
micrometer
reading
results
diameter
wire
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