6.32 A stellar object is emitting per second at this wavelength, what is the tot
ID: 699293 • Letter: 6
Question
6.32 A stellar object is emitting per second at this wavelength, what is the total energy of the photons radiation at 335 mm, if a detector on earth is capturing 33. detected in one hour? 10photons 6.41 In hydrogen, an electron transitions from n-3 to n cormesponding to this transition? electron transitions from n-3ton 2. What is the wavelength of the photon is the 2.35 Only two isotopes of copper eccur naturally. "Cu (atomic mass 62.9296 amuç abundance 69.17 %) and Oul atomic mass-6492 78 amuc abundance 30.83 %). Calculate the annk weght (average atomic mass) of copper 7.44 For the following pairs, indicate which element has the lower first lonication energy TI, Ba Ge, CI Adopted from 7.65: Write balanced equations f for the following reactions Potassium cxide and water Carbon dioxide and waterExplanation / Answer
6.32 )
We know that Energy of photons
E = nhc/
n = no of photons per second
h= planck's constant = 6.626 x 10-34 J.s
c = velocity of light = 3 x 108 m/s
= wavelength
Given that wavelength = 3.35 mm = 3.35 x 10-3 m
no of photons detected per second = 3.3 x 108
Therefore,
Total energy of photons detected in 1 hr = 1 hr x nhc/
= [3600 sec x 3.3 x 108 /secx 6.626 x 10-34 J.s x 3 x 108 m/s ] / 3.35 x 10-3 m
= 70492 x 10-15 J
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