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Understanding Maxwell's Demon and Thermodynamics

Understanding Maxwell's Demon and Thermodynamics

Assessment

Interactive Video

Physics

11th - 12th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of Maxwell's demon in the theoretical machine?

To increase the overall energy of the system

To separate fast and slow molecules

To create energy from nothing

To break the law of conservation of energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a perpetual motion machine considered impossible?

It needs a demon to function

It cannot operate with 100% efficiency

It requires infinite energy to start

It violates the first law of thermodynamics

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the second law of thermodynamics state about entropy?

Entropy can decrease in an isolated system

Entropy is irrelevant to energy conservation

Entropy remains constant in an isolated system

Entropy will only increase in an isolated system

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of entropy in an isolated system?

To have no effect on the system's internal temperature

To maintain the system's internal temperature

To increase the system's internal temperature

To decrease the system's internal temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the measure of unusable energy in a system called?

Efficiency

Entropy

Order

Temperature

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't Maxwell's demon be actualized in reality?

It requires no energy to function

It consumes energy to detect particles

It can operate indefinitely without energy

It can decrease entropy without external input

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can order be restored in a system like Maxwell's demon?

By increasing the system's internal temperature

By decreasing entropy naturally

By using external energy

By using internal energy

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