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Aluminium is
(A) Silvery white in colour. (B) Yellow in colour.
(C) Reddish in colour. (D) Pale yellow in colour.
Ans:
Aluminium is Silvery white in colour.
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
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