Statement-1 : A balloon filled with `CO_(2)` gas acts as a coverging lens for a sound wave Statement-2 : Sound waves travel fast

Statement-1 : A balloon filled with `CO_(2)` gas acts as a coverging lens for a sound wave
Statement-2 : Sound waves travel faster in air than in `CO_(2)`
A. Statement-1 is true, Statement-2 is true , Statement-2 is correct explanation for Statement-16
B. Statement-1 is true,Statement-2 is true , Statement-2 is NOT a correct explanation for Statement-16
C. Statement-1 is true, Statement-2 is false
D. Statement-1 is false, Statement-2 is true

Statement-1 : A balloon filled with `CO_(2)` gas acts as a coverging lens for a sound wave Statement-2 : Sound waves travel faster in air than in `CO_

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