A) \[\frac{D}{d}\mu t\]
B) \[\frac{D}{d}(\mu -1)\,t\]
C) \[\frac{D}{d}(\mu +1)\,t\]
D) \[\frac{D}{d}({{\mu }^{2}}-1)\,t\]
Correct Answer: B
Solution :
We can realize the situation as shown. Geometric path difference between \[{{S}_{2}}P\] and \[{{S}_{1}}P\]is \[\Delta {{x}_{1}}={{S}_{2}}P-{{S}_{1}}P=\frac{yd}{D}\]You need to login to perform this action.
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