let me answer immediately please
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do u know its correct answer ?
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We know that
f=c/lemda
lemda = c/f
c=3×10^8 m/s
f is given = 1.368×10^3hz
lemda = 3 ×10^8 / 1.368×10^3
lemda = 2.2 ×10^8_3
lemda = 2.2 ×10^5 m
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f=c/lemda
lemda = c/f
c=3×10^8 m/s
f is given = 1.368×10^3hz
lemda = 3 ×10^8 / 1.368×10^3
lemda = 2.2 ×10^8_3
lemda = 2.2 ×10^5 m
_______________________
INSHALLAH IT WILL HELP U
HAVE A NICE DAY ☺☺☺☺
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