Question:-
When warm saturated air is cooled
Option (A)
excess moisture condenses
Option (B)
excess moisture condenses but relative humidity remains unchanged
Option(C)
excess moisture condenses and specific humidity increase but relative humidity remains unchanged
Option(D)
specific humidity increases and relative humidity decreases
Correct Option:
(B)
Question Solution:

When warm saturation air is cooled. This process as shown in figure
question-answer-faq-9402