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The energy of a radiation of wavelength 8000 Å is E1 and energy of a radiation of wavelength 16000 Å is E2. What is the relation between these two:
(1) E1=6E2
(2) E1= 2E2
(3)E1= 4E2
(4) E1= 1/22E2
(5) E1= E2
Ans: E1= 2E2
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