Q: 71 (CAPF/2010)


Statement I : Crookeӳ glass for spectacles contains rare earth metal oxides of praseodymium and neodymium. Statement II Crookeӳ glass is characterized by its ability to absorb ultraviolet light and to transmit visible light completely.
question_subject: 
Science
question_year: 
2010
question_exam: 
CAPF
stats: 
0,232,696,576,232,64,56