RRB ALP 2013 Ques 4
Question: The velocity of sound increases in air by……… for every degree Celsius increase of temperature.
Options:
A) 60 m/sec.
B) 0.61 m/sec,
C) 60 ft/sec,
D) 0.61 km/sec.
Show Answer
Answer:
Correct Answer: B
BETA
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