A. 12.5s
B. 9.0s
C. 5.1s
D. 0.5s
Correct Answer: Option B
B. 9.0s
Explanation
T = 0.692/λ=0.692/0.077
= 9s
A. 12.5s
B. 9.0s
C. 5.1s
D. 0.5s
Correct Answer: Option B
B. 9.0s
Explanation
T = 0.692/λ=0.692/0.077
= 9s
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