4mev गति ऊर्जा के फोटो की चाल की तुलना प्रकाश की चाल से कीजिए?
please answer this??
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Answer:
हल:
दिया है, V= 30 kV = 30 x 103v
ऊर्जा E = eV = 1.6 x 10-19 x 30 x 103 J= 4.8 x 10-15 J
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