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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