If an electron has energy such that it's De Broglie wavelength is 5500 A ∘ , then the energy value of that electron is h = 6.626 × 10 - 34 J s , m e = 9.1 × 10 31 kg .

Question

If an electron has energy such that it's De Broglie wavelength is 5500 A ∘ , then the energy value of that electron is h = 6.626 × 10 - 34 J s , m e = 9.1 × 10 31 kg ., 8 × 10 - 20 J, 8 × 10 - 10 J, 8 J, 8 × 10 - 25 J

MARKS App · Accepted Answer

λ = h p a n d p 2 2 m = E p = h λ = 2 m E ⇒ E = h 2 2 m λ 2 Substitutions the given values E = 8 × 10 - 25 J

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