compare the de broglie of an electron moving at 8×10^8 cm /s and the object of mass 1 g moving with the speed of 1 cm /s.
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Explanation:
de broglie wave equation is
λ=h/mv
λelectron/λobject = mass of object×speed of object ÷ [mass of e × speed of e]
= 1g × 1 ÷ [ 9.1× 10⁻³¹ ×10⁻³ ×8×10⁸
=1.37× 10²⁴
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