WorksheetsBlackbody Radiation
Total questions: 10
Worksheet time: 5mins
Which of the following can be classified as a good blackbody radiator? (Check all that apply)
A lightbulb
A green laser pointer
A glowing hot coal
A shiny spoon
The Sun
In the simulation, as you go from low temperature objects (like the Earth) to high temperature objects (like the star Sirius A), what happens to the color produced?
It transitions from not emitting light, to emitting red light, then yellow, green, and lastly violet / blue.
It transitions from emitting blue light (the Earth), to emitting red light, then yellow, and lastly violet / blue.
Objects go from being blue to green to red as they heat up.
A blackbody curve on a graph tells us how an object releases
radio waves according to Planck's constant.
light through a black hole's event horizon.
radiation over different frequencies.
heat over time.
Blackbody curves also tell astronomers about the ___ of an object (like a star).
rotational energy
temperature
distance
composition
Which star is going to have the highest temperature?
What color would this object glow if it were heated to 5,000 K?
Green
Yellow
Red
Infrared
Based on the Wien's law, when the temperature increases, the phenomena that will be happen is...
A. There is no change in the wavelength
B. The wave length will be increase
C. The wavelength will be decrease
D.The frequency will be increase
E. The frequency will be decrease
When the temperature of black body radiation is decrease, the maximum intensity of the radiation will be...
A. Move to the longer wavelength
B. Move to the higher frequency
C. There is no change
D. First it moves to the shorter wavelength and after that move back to the longer wavelength
E. Depends on the condition
Two stars A and B emits the same amount of light. The wavelength that star A emits is longer than the wavelength that star B emits. What can you conclude from that explanation?
A. The frequency of star A is higher than star B
B. The frequency of star B is higher than star A
C. The temperature of star A and star B is same
D. The temperature of star A is higher than star B
E. The temperature of star A is lower than star B
Which object has the highest temperature?
A
B
C
D
F
