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48. Calculate the energy in joule corresponding to light of wavelength 45 nm(Plank's constant, h:-6.63 x 10-34Js, speed oflight , cA)6.67 x 10ts 73 x 10"ms-i)B) 6.67 x 1011C) 4.42 x 10-15

Answer»

E = hc/wavelength = 6.63×3 × 10^(-34+8)/45×10^-9)

E = 4.42 × 10^-18 J



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