A) \[{{n}_{1}}={{n}_{2}}/2\]
B) \[{{n}_{1}}=3{{n}_{2}}/4\]
C) \[{{n}_{1}}={{n}_{2}}\]
D) \[{{n}_{1}}=5{{n}_{2}}/4\]
Correct Answer: C
Solution :
If refractive index of lens \[{{n}_{1}}\] is equal to refractive index of liquid \[{{n}_{2}}\], then lens be haves as a plane glass plate and becames invisible in the medium.You need to login to perform this action.
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