
A Conversation with Dr. John Cahn
Interactive Video
•
Science, Information Technology (IT), Architecture, Physics, Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common phenomenon that occurs in both metals and the early universe?
Wetting
Dendrites
Segregation
Diffusion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does carbon dioxide at high pressure benefit dry cleaning?
It increases surface tension
It is a poisonous chemical
It acts as a detergent
It has low surface tension and spreads easily
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What action did the narrator's father take against the Nazis before they came to power?
He fled the country
He brought legal suits against them
He joined their ranks
He ignored their actions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main issue with the traditional diffusion theory?
It was only applicable to liquids
It was too complex to solve
It only applied to gases
It couldn't explain diffusion from low to high density
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the carnelian equation known for?
Being irrelevant to metallurgy
Addressing diffusion from low to high density regions
Being a simple algebraic equation
Describing linear diffusion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of equations are nonlinear 4th order partial differential equations?
Irrelevant to diffusion
Linear and basic
Complex and rarely studied
Simple and well-studied
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the carnelian equation in mathematics?
It is only relevant to physics
It has become a standard equation in many fields
It is a temporary trend in mathematics
It is a simple equation with no real-world application
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