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WorksheetsTournament of Black body Radiation
Total questions: 8
Worksheet time: 5mins
What is the meaning of black body ?
A. A mattery which absorb electromagnetic wave with reflect it and not permit light to go out from itself.
B. A mattery which absorb electromagnetic wave without reflect it and not permit light to go out from itself
C.A mattery which absorb electromagnetic wave with reflect it and permit light to go out from itself.
D.A mattery which absorb electromagnetic wave without reflect it and permit light to go out from itself
E. A mattery which absorb electromagnetic wave with reflect it and not permit light to go out from itself.
One example of the black body radiation is...
A. The Greenclothes effect
B. The Greenearth effect
C. The Greenhouse effect
D. The Greensea effect
E.The Global Warming effect
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
A black body with temperature 227oC emits heat with the intensity 5 kal/ (cm2s). When the temperature is 727oC, the intensity of heat that the black body emits is.... kal/ cm2s
A. 20
B. 80
C. 250
D. 500
E. 800
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
The temperature of a mattery is 1727 oC. Calculate the wavelength of the mattery!
A. 17.500 Å
B. 15.000 Å
C. 14.500 Å
D. 13.000 Å
E. 10.000 Å
The temperature of a ball with diameter 10 cm is 527oC. If the ball can be known as a black body, how much the energy that the ball emits per second? (in watt)
A. 129,24 watt
B. 329,24 watt
C. 529,24 watt
D. 729,24 watt
E. 929,24 watt
