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a radio wave emitting 400 mHz and the receiver is situated 400m away caculate the time to receive , wave number ,energy per second

a radio wave emitting 400 mHz and the receiver is situated 400m away caculate the time to receive , wave number ,energy per second

Grade:9

1 Answers

Vikas TU
14149 Points
5 years ago
Dear Student,
 c=3x10^8; f=4x10^8; lambda= c/f=0.75m;
t taken= 400/0.75=533.33s;
wave number= 1/lambda=1.33 per m;
energy =hc*wave number= 2.6334x10^(-25) J
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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