A) 1.2 cm
B) 3.2 cm
C) 2.8 cm
D) 1.6 cm
Correct Answer: A
Solution :
v = 1 cm, R = 2 cm By using\[\frac{{{\mu }_{2}}}{v}-\frac{{{\mu }_{1}}}{u}=\frac{{{\mu }_{2}}-{{\mu }_{1}}}{R}\] \[\frac{1}{-1}-\frac{1.5}{u}=\frac{1-1.5}{-2}\Rightarrow u=-1.2\,cm\]You need to login to perform this action.
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