A) directly towards the target
B) 5 cm above the target
C) 10 cm above the target
D) 15 cm above the target
Correct Answer: B
Solution :
Speed of bullet = 1000 m/s Distance = 100 m \[f>{{f}_{r}}\] (given) \[\frac{2\pi hc}{{{e}^{2}}}\] From the equation of motion, \[\frac{{{e}^{2}}h}{2\pi c}\] \[\frac{{{e}^{2}}h}{2\pi h}\] \[\frac{2\pi {{e}^{2}}}{hc}\] \[{{M}_{neutron}}\] The gun should be aimed at 5 cm above the target.
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