When a lens is placed in a liquid with refractive index higher than it its focal length will be?

The RRB (Railway Recruitment Board) is soon going to release the official notification of the RRB JE 2022. For the previous recruitment cycle, the RRB had released a total number of 13487 vacancies. It is expected that this year too the RRB is going to release the approximate same or more than the previous vacancies. The selection process of the RRB JE includes CBT 1, CBT 2, and Document Verification & Medical Test. The selected candidates will get an approximate salary range between Rs. 13,500 to Rs. 38,425. 

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What happens to the index of refraction and focal length of a lens that is initially in air that is then placed in water?