The de-Broglie wavelength of a proton (mass = 1.6 ×
10⁻²⁷ kg) accelerated through a potential difference of 1 kV
is
(a) 600 A (b) 0.9 × 10⁻¹²m
(c) 7 Å (d) 0.9 nm.
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Answer:
(b)
Explanation:
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