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Problem
Problem
The temperature at which the velocity of sound in oxygen will be the same as that of nitrogen at
15
∘
C
15^{\circ}\text{C}
1
5
∘
C
is a.
112
∘
C
112^{\circ}\text{C}
11
2
∘
C
b.
72
∘
C
72^{\circ}\text{C}
7
2
∘
C
c.
56
∘
C
56^{\circ}\text{C}
5
6
∘
C
d.
17
∘
C
17^{\circ}\text{C}
1
7
∘
C
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