Answered

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An electron has mass 9.1×10⁻²⁸g and is moving with a velocity of 10⁵cm/sec. Calculate its wavelength when h=6.626×10⁻²⁷erg−sec.

A. λ=7.28×10⁻⁶cm
B. λ=7.28×10⁻⁵cm
C. λ=3.64×10⁻⁵cm
D. λ=3.64×10⁻⁶cm

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