
Concept explainers
(a) To determine:
Peak wavelength for

Answer to Problem 5P
Solution:
Peak wavelength for radiation emitted from ice is which is far away from infrared radiation.:
Explanation of Solution
Given:
Ice at
Formula used:
The peak wavelength of emitted radiation is calculated by the Wien’s law
Here,
is the wavelength:
is the temperature
Calculation:
Peak wavelength for radiation emitted from ice is calculated as
Plugging the values in the above equation
The wavelength of the radiation is far away from the infrared radiation.
(b) To determine:
Peak wavelength for radiation emitted from a flood lamp at .

Answer to Problem 5P
Solution:
Peak wavelength for radiation emitted from a flood lamp at is which is near infrared radiation.:
Explanation of Solution
Given:
Flood lamp at
Formula used:
The peak wavelength of emitted radiation is calculated by the Wien’s law
Here,
is the wavelength:
is the temperature
Calculation:
Peak wavelength for radiation emitted from a flood lamp at is calculated as
Plugging the values in the above equation
The wavelength of the radiation is near infrared radiation.
(c) To determine:
Peak wavelength for radiation emitted from helium at .

Answer to Problem 5P
Solution:
Peak wavelength for radiation emitted from helium at is which comes in microwaveradiation.:
Explanation of Solution
Given:
Temperature of helium
Formula used:
The peak wavelength of emitted radiation is calculated by the Wien’s law.
Here,
is the wavelength:
is the temperature
Calculation:
Peak wavelength for radiation emitted from helium at is calculated as
Plugging the values in the above equation
The wavelength of the radiation comes under microwave radiation.
Chapter 27 Solutions
Physics: Principles with Applications
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