(a) The star Antaresemits radi
(a) The star Antaresemits radiation with a peak wavelength of792nm. What is its surface temperature (in K)? (Assume the starbehaves like a blackbody.)
(b) The star Denebemits radiation with a peak wavelength of340nm. What is its surface temperature (in K)? (Assume the starbehaves like a blackbody.)
(c) X-rays are scattered from a target at an angle of 55.8°withthe direction of the incident beam. Find the wavelength shift ofthe scattered x-rays in nm.
Answer:
In black body radiation while studying nature of thermalradiation a)
Thus
Surface temperature of star Antaresemits is 3636.36 K .
B)
thus
Surface temperature of star Denebemits is 8470.59 K
C)
Now we need to calculate shift in wavelength
thus
Shift of wavelength in scattered x Ray is 0.00106 nm
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