A) 200 p
B) 400 p
C) \[\frac{p}{200}\]
D) 100 p
Correct Answer: A
Solution :
de-Broglie wavelength\[\lambda =\frac{h}{p}\] Here \[\left| \frac{\Delta \lambda }{\lambda } \right|=\left| \frac{\Delta p}{p} \right|\] \[\frac{0.5}{100}=\frac{p}{{{p}_{i}}}\] \[{{p}_{i}}=\frac{100}{0.5}p\] \[{{p}_{i}}=200p\]
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