AP EAMCET 22 May 2023 Shift 2 Paper
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Question : 122 of 160
Marks:
+1,
-0
The wave number of a photon is 10 4 cm − 1 . What is its energy in J ?
( h = 6.6 × 10 − 34 Js ; c = 3 × 10 10 cm s − 1 )
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